Project: 1
Title: Technical Support
Principle Investigator/Affiliation: R.P. Wolkowski
Objective: Provides for administrative expense and fertilizer costs for the entire program.
Funding Level: Approximately 25% of total yearly fund
Duration: until mid-1996, see budget for K. Churchill support

Project: 2
Title: ICP Purchase
Principle Investigator/Affiliation: L.M. Walsh / UW-Madison, Soil Science
Objective: Purchase of an inductively coupled plasmaspectrometer for the State Soil and Plant Analysis Laboratory
Funding Level: $30,000
Duration: 1 year

Project: 4-80
Title: Yield Potentials of Sweet Corn Cultivars in Relation to Fertility Levels of N, P, & K
Principle Investigator/Affiliation: L.A. Peterson / UW-Madison, Horticulture
Objective: To evaluate the response of a number of sweet corn cultivars at different N, P, and K fertility levels
Funding Level: $2,000, $2,000, $2,000
Duration: 3 years

Project: 6-80
Title: The Influence of Potassium Rate and Source on Yield, N2-Fixation and Response to Autumn Harvest of Alfalfa, Red Clover, and Birdsfoot Trefoil
Principle Investigator/Affiliation: M. Collins / UW-Madison, Agronomy
Objective: To study the influence of K and S on growth and nodulation of several forage legumes and the effects of autumn harvest and K level on winter survival
Funding Level: $14,000, $12,100, $13,250
Duration: 3 years

Project: 7-80
Title: Nitrogen Mobilization Mineralization Under Conservation Tillage Systems
Principle Investigator/Affiliation: D.R. Keeney / UW-Madison, Soil Science
Objective: To construct a model of nitrogen immobilization-mineralization under several conservation tillage systems
Funding Level: $2,000, $1,000
Duration: 3 years

Project: 8-80
Title: Optimum N and K Levels in Corn Production Under Risk
Principle Investigator/Affiliation: R.A. Schoney / UW-Madison, Ag Economics
Objective: To develop a series of computerized decision aids for the making of corn fertilization decisions
Funding Level: $5,000
Duration: 1 year

Project: 9-80
Title: Cooperative Forest Fertilization Studies in the Central Sands Region and Northern Wisconsin
Principle Investigator/Affiliation: E.J. Jokela / UW-Stevens Point, Natural Resources
Objective: To determine the nutrient status and potential for fertilizer response of selected sites through uniform field trials
Funding Level: $20,335
Duration: 1 year

Project: 10-80
Title: Development of the SrCl2 Method as a Routine Soil Testing Procedure for Macronutrient Cations and for Heavy Metals
Principle Investigator/Affiliation: R.B. Corey / UW-Madison, Soil Science
Objective: To further develop the SrCl2 method for routine soil analysis
Funding Level: $5,000, $5,000, $5,000
Duration: 3 years

Project: 11-80
Title: Agronomic and Economic Response of Helianthus annus (Sunflower) Grown in Wisconsin to Fertilizer Applications
Principle Investigator/Affiliation: E.S. Oplinger / UW-Madison, Agronomy
Objective: To estimate yield response of sunflower to N, P, and K additions
Funding Level: $8,000, $8,000
Duration: 2 years

Project: 12-80
Title: Dual Placement of N and P on Corn in Wisconsin
Principle Investigator/Affiliation: P.E. Fixen / UW-Madison, Soil Science
Objective: To evaluate the response of corn to simultaneous injection of anhydrous ammonia and liquid ammonium polyphosphate
Funding Level: $4,800
Duration: 1 year

Project: 13-80
Title: Effect of Tillage System on the N, P and K Requirement of Corn
Principle Investigator/Affiliation: E.E. Schulte / UW-Madison, Soil Science
Objective: To evaluate the interaction between tillage systems and the N, P, and K requirement of corn.
Funding Level: $12,000, $19,932, $19,596, $16,850
Duration: 4 years

Project: 14-80
Title: Effect of Soil P and K and Broadcast N on Response of Corn to Row Fertilizer
Principle Investigator/Affiliation: E.E. Schulte / UW-Madison, Soil Science
Objective: To determine the optimum rates of N, P, and K in row fertilizer over a range of soil test levels of P and K and applied N
Funding Level: $4,755, $6,978, $7,740, $4,990
Duration: 4 years

Project: 15-80
Title: Response of Birdsfoot Trefoil to Varying Levels of P and K
Principle Investigator/Affiliation: K.A. Kelling / UW-Madison, Soil Science
Objective: To examine the P and K requirements of birdsfoot trefoil at varying soil tests
Funding Level: $1,000, $2,000, $2,317
Duration: 3 years

Project: 16-80
Title: High Yield Alfalfa Through the Diagnosis and Recommendation Integrated System (DRIS)
Principle Investigator/Affiliation: K.A. Kelling / UW-Madison, Soil Science
Objective: To develop the DRIS recommendation for Wisconsin alfalfa producers
Funding Level: $6,800, $7,500, $5,600
Duration: 3 years

Project: 17-80
Title: Evaluation of Certain Nonconventional Soil Additives for Improving Crop Yields in Wisconsin
Principle Investigator/Affiliation: K.A. Kelling / UW-Madison, Soil Science
Objective: To evaluate various materials claimed to reduce or replace fertilizers for crop production in Wisconsin
Funding Level: $1,500, $3,110, $2,622
Duration: 3 years

Project: 18-80, 19-80
Title: N Applications on Alfalfa Seedlings, Split Applications of High Levels of K and S on Alfalfa in North-Central Wisconsin
Principle Investigator/Affiliation: K.A. Kelling / UW-Madison, Soil Science
Objective: To evaluate the influence of small amounts of N to alfalfa in the seeding year. To compare high levels of K and S fertilization in split application to alfalfa
Funding Level: $1,208, $1,800, $768
Duration: 3 years ( 1 year on N study)

Project: 21-81
Title: Use of Conservation Tillage Systems on Selected Soils in Southwestern Wisconsin
Principle Investigator/Affiliation: K.C. Kilian / UW-Platteville, Agricultural Sciences
Objective: To determine the effects of several reduced tillage systems on corn yield and soil physical and fertility properties.
Funding Level: $11,000
Duration: 1 year

Project: 23-81
Title: The Effect of Sulfur Deficiency on Yield, Quality, Photosynthesis, and Nitrogen Assimilation in Alfalfa
Principle Investigator/Affiliation: L.E. Shrader / UW-Madison, Agronomy
Objective: To determine the effect of S-deficiency on yield, quality, photosynthesis, and N assimilation of alfalfa in seedling establishment and foliage regrowth
Funding Level: $7,000
Duration: 1 year

Project: 25a-81
Title: Soybean Response to Potassium and Nitrogen under High Yield Environments
Principle Investigator/Affiliation: P.E. Fixen / UW-Madison, Soil Science
Objective: To calibrate soil K levels for soybeans under high yield environments Evaluate methods of K placement for either narrow or wide rows. Evaluate soybean response to N
Funding Level: $8,000, $14,700, $15,000
Duration: 3 years

Project: 25b-81
Title: Soybean Response to Potassium at Various Soil K Levels and Starter Calibration
Principle Investigator/Affiliation: P.E. Fixen / UW-Madison, Soil Science
Objective: To calibrate soil K levels for soybeans in southern and central Wisconsin. To determine the amount of maintenance K needed in the starter fertilizer.
Funding Level: $4,000, $5,130
Duration: 2 years

Project: 26-81
Title: Conservation Tillage Methods for Pea Land
Principle Investigator/Affiliation: E.T. Gritton / UW-Madison, Agronomy
Objective: To evaluate alternative tillage methods for pea land.
Funding Level: $950, $950, $950
Duration: 3 years

Project: 27-82
Title: Evaluation and Control of Ammonia Volatilization from Topdressed Urea
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: To determine the magnitude of ammonia loss from surface applied urea. To evaluate selective chemical amendments for reducing ammonia loss.
Funding Level: $4,635, $3,500, $4,000
Duration: 3 years

Project: 28-82
Title: Response of Red Pine (Pinus resinosa Ait) Seedlings to Starter Fertilizer Tablets
Principle Investigator/Affiliation: J.E. Johnson / UW-Steven Point-Natural Resources
Objective: To determine the effect of starter fertilizer on red pine seedling growth and survival.
Funding Level: $6,915
Duration: 1 year

Project: 31-82
Title: Preparation of Plant Samples for Multi-Element Analysis by ICP Emission Spectroscopy
Principle Investigator/Affiliation: E.E. Schulte / UW-Madison, Soil Science
Objective: To develop a fast, safe method of preparing plant and other organic materials for multi-element analysis.
Funding Level: $5,905, $2,650
Duration: 2 years

Project: 32 -82
Title: Relationship of Calcium Fertilization to Susceptibility of Potatoes to Bacterial Soft Rot
Principle Investigator/Affiliation: A. Kelman / UW-Madison, Plant Pathology
Objective: To evaluate the influence of non-lime Ca additions on yield, quality, and the susceptibility to soft rot in storage
Funding Level: $3,500
Duration: 1 year

Project: 33-82
Title: Agronomic Response of Fall and Spring Planted Small Grains to N, Cultivar, and Plant Growth Regulators
Principle Investigator/Affiliation: E.S. Oplinger / UW-Madison, Agronomy
Objective: To evaluate the response of several wheat varieties to timing and rate of N, growth regulators, fungicides.
Funding Level: $8,450, $10,350
Duration: 2 years

Project: 36-82
Title: The Influence of Potassium, Phosphorus, and Sulfur on Nodulation and N2-Fixation on Field Grown Alfalfa
Principle Investigator/Affiliation: M. Collins / UW-Madison, Agronomy
Objective: To evaluate the influence of P, K, and S on alfalfa shoot growth, nodulation, and N2 -fixation
Funding Level: $2,044, $ 1,710
Duration: 2 years

Project: 38-83
Title: Nitrogen Relationships in Soybeans at High Yield Levels
Principle Investigator/Affiliation: J.W Pendleton / UW-Madison, Agronomy
Objective: To determine if N can be a limiting factor in soybean production.
Funding Level: $ 13,400
Duration: 1 year

Project: 39-83
Title: Response of Sweet Corn Plant Populations and Soil Fertility Level
Principle Investigator/Affiliation: L.A. Peterson / UW-Madison, Horticulture
Objective: To evaluate the response of differing sweet corn plant populations over several levels of N, P, and K
Funding Level: $3,900, $4,324
Duration: 2 years

Project: 40-83
Title: The Influence of Soil Fertility on Corn Physical Grain Quality
Principle Investigator/Affiliation: P.R Carter / UW-Madison, Agronomy
Objective: To determine the influence of soil N, P, and K levels on corn kernel breakage and to relate damage to chemical and morphological characteristics of the kernel
Funding Level: $2,500, $2,500
Duration: 2 years

Project: 41-83
Title: Phosphorus and Potassium Buffering Capacities of Wisconsin Soils
Principle Investigator/Affiliation: W.R Kussow / UW-Madison, Soil Science
Objective: To assess the propriety of the current assigned P and K buffering capacities used in fertilizer recommendations. To evaluate the influence of management practices on buffering capacity
Funding Level: $13,015, $12,400, $14,307, $4,985
Duration: 4 years

Project: 43-83
Title: Effects of Fertility and Harvest Management on Yield, Persistence, Reserve Carbohydrate Storage, Regrowth, and Quality of Alfalfa and Red Clover
Principle Investigator/Affiliation: M. Collins / UW-Madison, Agronomy
Objective: To evaluate yield, persistence and carbohydrate storage of forages over several fertility and cutting schedules.
Funding Level: $16,406, $17,146
Duration: 2 years

Project: 44-83
Title: Potato Responses to Non-Lime Additions of Calcium
Principle Investigator/Affiliation: K A. Kelling / UW-Madison, Soil Science
Objective: To evaluate the effectiveness of several Ca sources placement methods, and rates on the yield, quality, and potential of increasing tuber Ca levels.
Funding Level: $4,533, $6,433, $$6,383
Duration: 3 years

Project: 45-83
Title: Improving N Efficiency on Irrigated Sands
Principle Investigator/Affiliation: K.A. Kelling / UW-Madison, Soil Science
Objective: To evaluate the efficiency and nitrification inhibitors on corn production and soil N content when used over several source, timing, and N rate variables.
Funding Level: $7,022, $ 10,732, $11,815, $7,106
Duration: 4 years

Project: 46-83 (not funded as 34-82)
Title: Response of Oats to Nitrogen Fertilization
Principle Investigator/Affiliation: M.A. Brinkman / UW-Madison, Agronomy
Objective: To evaluate the response of several oat varieties to N fertilization.
Funding Level: $4,500
Duration: 1 year

Project: 47-83
Title: Optimizing Nitrogen and Potassium Availability for Corn in Conservation Tillage
Principle Investigator/Affiliation: E.E. Schulte / UW-Madison, Soil Science
Objective: To evaluate methods of improving N fertilizer efficiency. To determine the optimum rate of row K for reduced tillage. To determine the long-term effects of reduced tillage on nutrient availability
Funding Level: $17,400, $17,750, $16,426
Duration: 3 years

Project: 48-83 (similar to 17-80)
Title: Evaluation of Certain Non-Conventional Soil Additives for Improving Crop Yields in Wisconsin
Principle Investigator/Affiliation: K.A. Kelling / UW-Madison, Soil Science
Objective:
Funding Level: $3,005, $3,227, $3,278, $2,390
Duration: 4 years

Project: 50-83
Title: Determination of the Nitrogen Contribution of Soybeans to Corn Nitrogen Requirements in Corn/Soybean Rotations
Principle Investigator/Affiliation: L G. Bundy / UW-Madison, Soil Science
Objective: To determine the contribution of soybeans to the corn N fertilizer requirements of corn grown in rotation. To compare corn/soybean rotation effects over a range of soil conditions.
Funding Level: $5,800, $6,200, $6,600, $4,000
Duration: 4 years

Project: 51-83
Title: Purchase and Modification of a Combine for Harvest of Corn and Small Grain Plots in Applied Soil Fertility/Management Research
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: To modify a two row production combine for use in small plot research studies.
Funding Level: $7,000
Duration: 1 year

Project: 53-84
Title: Yield and Nutrient Uptake of Soybeans (Glycine malle) as Related to Differences in Soil pH
Principle Investigator/Affiliation: E.T. Gritton / UW-Madison, Agronomy
Objective: To determine the effect of soil pH on nutrient uptake and yield of several cultivars. To classify the degree of nodulation at different soil pH levels.
Funding Level: $4,000
Duration: 1 year

Project: 55-84
Title: Nutrient Dynamics and Response to Fertilization of Declining Red Pine Plantations in the Central Sands
Principle Investigator/Affiliation: J.G. Bockheim / UW-Madison, Soil Science
Objective: To examine soil and foliar contents of N, K, Ca, Mg in declining red pine stands. To observe the response to N and K fertilization in such stands and to evaluate nutrient cycling.
Funding Level: $6,000
Duration: 1 year

Project: 56-84
Title: Soil Compaction and Plant Nutrient Interaction
Principle Investigator/Affiliation: B. Lowery / UW-Madison, Soil Science
Objective: To evaluate methods of fertilizer applications which would maximize yield in compacted soils.
Funding Level: $ 12,500
Duration: 1 year

Project: 58-84
Title: An Assessment of Productivity Levels of Wisconsin Soils
Principle Investigator/Affiliation: G.B. Lee / UW-Madison, Soil Science
Objective: To develop productivity levels for Wisconsin soils based on the combined evaluation of research, SCS, and other local data.
Funding Level: $ 1,500, $1,500
Duration: 2 years

Project: 62-84
Title: Evaluation of Methods to Estimate Leaching Losses of Nitrate in Sandy Soils
Principle Investigator/Affiliation: D.R. Keeney / UW-Madison, Soil Science
Objective: To evaluate an ion exchange resin as a method of measuring NO3 -N leaching losses.
Funding Level: $11,000, $14,920, $8,835
Duration: 3 years

Project: 63-85
Title: Nitrogen Management for Corn Production in Conservation Tillage
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: Identify nitrogen management practices that will improve nitrogen fertilizer efficiency in corn production under conservation tillage.
Funding Level: $4500, $4700, $4700
Duration: 3 years

Project: 67-85
Title: Nitrogen and Micronutrient Requirements for Production of Winter Wheat in an Intensive Management System
Principle Investigator/Affiliation: E.S. Oplinger / UW-Madison, Agronomy
Objective: To determine optimal yield potential of wheat on different soil types.
Funding Level: $9989, $9862
Duration: 2 years

Project: 68-85
Title: Influence of Tillage on Soybean Response to Potassium, Nitrogen, and Micronutrient Fertilization in High Yield Environments
Principle Investigator/Affiliation: E.S. Oplinger / UW-Madison, Agronomy
Objective: To calibrate soil test K levels under high yield environments and reduce tillage systems.
Funding Level: $6000, $6000, $6000
Duration: 3 years

Project: 69-85
Title: Soil Compaction and Plant Nutrient Interaction
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: To evaluate the effects of soil compaction on the availability of soil nutrients.
Funding Level: $12,200, $12,200, $11,076
Duration: 3 years

Project: 70-85
Title: Adapting the Sr(NO3)2 Method for Determining Available Cations to a Routine Soil Testing Procedure
Principle Investigator/Affiliation: R.B. Corey / UW-Madison, Soil Science
Objective: To modify the Sr(NO3)2 method of Wiethoter 1983) so that it an be used as a routine method for the simultaneous determination of Ca, Mg, and Mn in the Soil and Plant Analysis Laboratory
Funding Level: $19,400, $16,000, $18800
Duration: 3 years

Project: 72-85
Title: Calibration of Micronutrient Tests
Principle Investigator/Affiliation: E.E. Schulte / UW-Madison, Soil Science
Objective: To evaluate the usefulness of greenhouse trials in screening soils for response to micronutrients.
Funding Level: $14,586, $18,411
Duration: 2 years

Project: 74-86
Title: Development of a Nitrogen Management Model for Wisconsin
Principle Investigator/Affiliation: D.R. Keeney / UW-Madison, Soil Science
Objective: To develop a comprehensive nitrogen management model capable of providing predictions for maximizing crop use of available soil nitrogen.
Funding Level: $4875, $5000, $10,000
Duration: 3 years

Project: 77-86
Title: Using the DRIS System for Fertilizer Recommendations at High Soil Test Levels: The Calcium Problem
Principle Investigator/Affiliation: E.E. Schulte / UW-Madison, Soil Science
Objective: To examine the plant analysis data base maintained by the UW Plant and Soil Analysis Laboratory to get a better estimate of how frequently the DRIS system identifies calcium as the limiting nutrient.
Funding Level: $6,000
Duration: 1 year

Project: 79-86
Title: Red Clover Response to Varying P or K Soil Test Levels and Topdressing Rates
Principle Investigator/Affiliation: K.A. Kelling / UW-Madison, Soil Science
Objective: To evaluate the responsiveness of red clover to varying soil levels of P and K in combination with topdressed P and K.
Funding Level: $5,829
Duration: 1 year

Project: 82-87
Title: Economics and Yield of Grains as Influenced by Crop Rotation Systems
Principle Investigator/Affiliation: E.S. Oplinger / UW-Madison, Agronomy
Objective: To determine the optimum crop rotation sequence for maximizing yield of soybean, corn, and wheat.
Funding Level: $5,500, $5,600, $5,800
Duration: 3 years

Project: 83-87
Title: Effect of Foliar Applied Nitrogen Amendments on Potato Early Blight Progress and Control
Principle Investigator/Affiliation: W.R. Stevenson / UW-Madison, Plant Pathology
Objective: To determine whether foliar applications of nitrogen amendments affect the time of appearance of early blight symptoms, disease progress over the course of the growing season, or control in plots sprayed or left untreated with mancozeb fungicide.
Funding Level: $2,066, $2,000
Duration: 2 years

Project: 85-87
Title: Nitrification Inhibitor/lStabilizer Research
Principle Investigator/Affiliation: R.H. Beck / UW-River Falls, Soil Science
Objective: To determine if sidedressed applications of stabilized N provide increased late-season ammonium-N levels and whether this will affect crop yields.
Funding Level: $5,000, $6,633, $7,467
Duration: 3 years

Project: 87-87
Title: The Influence of Potassium Nutrition on Alfalfa Canopy Development, Solar Radiation Interception, and Efficiency of Energy Conversion to Biomass
Principle Investigator/Affiliation: K.A. Albrecht / UW-Madison, Agronomy
Objective: To relate available soil K levels (and tissue K levels) to the efficiency of solar energy conversion to biomass in alfalfa.
Funding Level: $7,000, $7,000
Duration: 2 years

Project: 89-87
Title: Use of Non-Conventional Herbicide-Fertilizer Combinations for Improved Weed Control, Fertilizer Management, and Profitability
Principle Investigator/Affiliation: R.G. Harvey / UW-Madison, Agronomy
Objective: To determine how use of 28% fertilizer as a herbicide carrier affects efficacy of post-emergence-directed herbicide applications.
Funding Level: $5,000, $5,000, $5,000, $1,500
Duration: 4 years

Project: 90-87
Title: Development of an Alternative Test for Soil Organic Matter
Principle Investigator/Affiliation: E.E. Schulte / UW-Madison, Soil Science
Objective: To develop a test for soil organic matter that is adapted to rapid, routine analysis but without the use of chromic acid or other potentially toxic chemicals.
Funding Level: $6,000
Duration: 1 year

Project: 91-87
Title: Corn Hybrid Response and Fertilizer Nitrogen Recovery with Several Rates, Times and Methods of Nitrogen Application
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: To determine if major differences in yield response to preplant or delayed N applications exist among several corn hybrids widely grown in Wisconsin.
Funding Level: $10,950, $10,950, $10,950
Duration: 3 years

Project: 92-88
Title: Significance of Fall and Dormant Nitrogen in Turfgrass Management
Principle Investigator/Affiliation: W.R. Kussow / UW-Madison, Soil Science
Objective: To demonstrate the multiple benefits that can arise from fall N fertilization of turfgrass.
Funding Level: $5,376, $4,100
Duration: 2 years

Project: 93-88
Title: Development of an Interactive Computer Program for Lime and Fertilizer Recommendations and Nutrient Adjustments
Principle Investigator/Affiliation: E.E. Schulte / UW-Madison, Soil Science
Objective: To develop an interactive computer program for adjusting lime and fertilizer recommendations.
Funding Level: $1,000
Duration: 1 year

Project: 94-88
Title: Effect of Nitrogen Fertilizer Programs and Other Cultural Practices on Nitrate Contamination of Groundwater Beneath the Central Sand Region of Wisconsin
Principle Investigator/Affiliation: G. Chesters / UW-Madison, Water Resources Center
Objective: To investigate the effect of cultural practices on contamination of groundwater of the Central Sand region of Wisconsin with NO3-N.
Funding Level: $7,970
Duration: 1 year

Project: 95-88
Title: Determination of Legume N Credits as Affected by Stand Density and Last Hay-Year Management
Principle Investigator/Affiliation: K.A. Kelling / UW-Madison, Soil Science
Objective: To relate alfalfa stand characteristics (primarily density) to its ability to supply N to a succeeding crop of corn.
Funding Level: $12,148, $13,009, $14,308, $15,360, $6,505
Duration: 5 years

Project: 96-88
Title: Soil and Plant Analysis for Red Clover Studies
Principle Investigator/Affiliation: K.A. Kelling / UW-Madison, Soil Science
Objective: To analyze collected plant and soil samples for P, K, and associated nutrients so that uptake, removals, and critical levels can be established.
Funding Level: $3,280
Duration: 1 year

Project: 97-88
Title: Evaluation of Phosphorus Availability and Accumulation in Potatoes as Affected by Mycorrhizae, Soil Test, and Fertilizer Additions
Principle Investigator/Affiliation: K.A. Kelling / UW-Madison, Soil Science
Objective: To determine the effectiveness of a mycorrhizal inoculant for improving P availability and uptake for potatoes.
Funding Level: $12,280, $8,000, $8,000
Duration: 3 years

Project: 98-88
Title: Evaluation of Soil and Plant Tests for Site-Specific Prediction of Corn Nitrogen Fertilizer Requirements
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: To evaluate use of early growing season plant and soil nitrate tests and spring preplant profile nitrate measurements to predict corn N fertilizer requirements.
Funding Level: $10,950, $11,400, $11,900, $11,900, $11,900
Duration: 5 years

Project: 100-89
Title: Corn Yield and Economic Benefits from Starter Fertilizer Use at Various Planting Dates
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: To determine corn yield response to row-applied starter fertilizer at a range of planting dates.
Funding Level: $9,522, $9,700, $15,721
Duration: 3 years

Project: 101-89
Title: Calibration of Soil Tests for Alternative Crops
Principle Investigator/Affiliation: E.E. Schulte / UW-Madison, Soil Science
Objective: To determine the optimum soil pH for production of canola, field peas, lupine, and tritcale.
Funding Level: $6,244, $6,844
Duration: 2 years

Project: 102-89
Title: Foliar Applied Boron Effects on Alfalfa Morphology, Nutritive Value, and Yield
Principle Investigator/Affiliation: K.A. Albrecht / UW-Madison, Agronomy
Objective: To determine whether foliar application of B to alfalfa promotes branching.
Funding Level: $5,500, $6,000
Duration: 2 years

Project: 104-89
Title: Comparison of Biological Nitrogen Fixation and Fertilizer Nitrogen for Bean Production
Principle Investigator/Affiliation: J. Handelsman / UW-Madison, Plant Pathology
Objective: To identify a strain of R. phaseoli that provides sufficient fixed nitrogen to snap beans in the soils that are typical of Wisconsin bean farms.
Funding Level: $7,075, $7,500
Duration: 2 years

Project: 105-89
Title: A Survey of the DRIS Calcium Problem in Alfalfa
Principle Investigator/Affiliation: E.E. Schulte / UW-Madison, Soil Science
Objective: To examine the alfalfa plant analysis data base maintained by the UWEX Laboratory to obtain a statistically sound estimate of how frequently the DRIS system diagnoses Ca as limiting to alfalfa yields.
Funding Level: $6,750
Duration: 1 year

Project: 106-89
Title: Does DRIS Plant Analysis Accurately Predict Corn Response to Calcium?
Principle Investigator/Affiliation: E.E. Schulte / UW-Madison, Soil Science
Objective: To compare corn yield response to Ca treatments in situations where Ca is diagnosed as low by the DRIS system.
Funding Level: $9,300, $10,600, $3,000
Duration: 3 years

Project: 107-89
Title: Protective Treatments and Maintenance for Secondary Containment Facilities
Principle Investigator/Affiliation: D.W. Kammel / UW-Madison, Agricultural Engineering
Objective: Test several generic types of protective treatments for concrete including surface coatings, caulks, and crack repair materials, to determine chemical and abrasion resistance.
Funding Level: $9,000, $5,000
Duration: 2 years

Project: 108-89
Title: Improving Fertilizer Placement Techniques in No-Till and Ridge Till Systems
Principle Investigator/Affiliation: K.J. Shinners / UW-Madison, Agricultural Engineering
Objective: To evaluate corn plant response to two fertilizer placement treatments in two no-till systems with two fertilizer placement tools.
Funding Level: $8,000, $8,340, $6,740
Duration: 3 years

Project: 110-89
Title: Late Season Nitrogen Fertilization for Soybean
Principle Investigator/Affiliation: E.S. Oplinger / UW-Madison, Agronomy
Objective: To determine if soybean yields can be economically increased with supplemental nitrogen applied late in the season.
Funding Level: $5,515, $6,065
Duration: 2 years

Project: 111-89
Title: Impact of Forage Legumes on Potato Production
Principle Investigator/Affiliation: C.R. Grau / UW-Madison, Plant Pathology
Objective: To foster multidisciplinary research among CALS faculty on integrated agricultural systems that are responsive to economic and environmental concerns.
Funding Level: $2,300, $2,300, $6,000
Duration: 3 years

Project: 112-89
Title: Investigation of the Practical Means for Enhancing Calcium Contents of the Potato Tuber
Principle Investigator/Affiliation: J.P. Palta / UW-Madison, Horticulture
Objective: To increase the calcium content of the tuber.
Funding Level: $5,350, $6,800
Duration: 2 years

Project: 113-90
Title: Effect of Chemical and Cropping System Management on Soil Aggregation and Microbial Ecology
Principle Investigator/Affiliation: R.Harris / UW-Madison, Soil Science
Objective: To determine the potential of soil aggregation and microbial ecology test indicative of balanced nutrient cycling and optimized soil tilth, for differentiating between boundary extremes of soils managed by low vs. high synthetic chemical input practice.
Funding Level: $8,000, $8,500, $8,500
Duration: 3 years

Project: 114-90 --THIS IS A CONTINUOUS PROJECT
Title: Evaluation of Certain Nonconventional Soil Additives for Improving Corn Yields in Wisconsin
Principle Investigator/Affiliation: K.A. Kelling / UW-Madison, Soil Science
Objective: To evaluate the claims of several nonconventional materials which are being used or promoted within the state.
Funding Level: $2,490, $2,688, $3,459, $3,569, $3,400, $3,600, $3,800, $3,000, $3,800, $4000
Duration: (continuous ongoing project)

Project: 115-90 and 109-89
Title: Nitrogen Fixation and Rotational Benefits of Soybean Grown in Rotation with Corn
Principle Investigator/Affiliation: E.S. Oplinger / UW-Madison, Agronomy
Objective: To determine if the primary beneficial effect of growing soybean in rotation with corn is due to nitrogen-fixation or to some other unknown growth promoting factors.
Funding Level: $5,000, $1,300, $7,370, $9,415, $10,080
Duration: 5 years

Project: 116-90
Title: Nutrient Monitoring in the Wisconsin Cropping Systems Trial
Principle Investigator/Affiliation: J. Posner / UW-Madison, Agronomy
Objective: To construct an annual as well as rotation cycle nutrient budget for nitrogen, phosphorus and potassium inputs and outputs for each rotation.
Funding Level: $7,688, $10,748, $13,330
Duration: 3 years

Project: 117-90
Title: Screening Potato Germplasm for Efficient Accumulation of Applied Calcium
Principle Investigator/Affiliation: J.P. Palta / UW-Madison, Horticulture
Objective: To determine the magnitude and significance of differences in calcium accumulation efficiency among potato species.
Funding Level: $2,000
Duration: 1 year

Project: 118-90
Title: Nitrate Movement--through the Unsaturated Zone of a Sandy Soil in the Lower Wisconsin River Valley Area Under Irrigated Conditions
Principle Investigator/Affiliation: B. Lowery / UW-Madison, Soil Science
Objective: To determine the flux of nitrate through the unsaturated zone of a sandy soil under irrigated and non-irrigated conditions and two tillage systems.
Funding Level: $12,500, $13,000
Duration: 2 years

Project: 119-91
Title: Effect of Time of Sampling on the Profile Nitrate Content in Corn Grown Under Different Management Systems
Principle Investigator/Affiliation: R.P. Wolkowski / UW-Madison, Soil Science
Objective: To examine the relationship between the time of sampling and the preplant profile nitrate content in continuous corn.
Funding Level: $7,162, $7,888
Duration: 2 years

Project: 126-91
Title: Verification of Wisconsin's Soil Test Recommendation Program for Alfalfa
Principle Investigator/Affiliation: K.A. Kelling / UW-Madison, Soil Science
Objective: To confirm which recommendation program provides the greatest economic return to the producer.
Funding Level: $4,805, $5,410, $5,840, $4,205
Duration: 4 years

Project: 127-92
Title: Nutrient Management with Intensive Soil Sampling and Differential Fertilizer Spreading
Principle Investigator/Affiliation: N. Wollenhaupt / UW-Madison, Soil Science
Objective: To evaluate field sampling patterns to determine how many samples are required for creating soil test nutrient maps.
Funding Level: $14,960, $15,700, $14,960
Duration: 3 years

Project: 131-92 and 121-91
Title: Calibration of Petiole-P Concentration and Efficacy of Late P Fertilization of Potatoes in Wisconsin
Principle Investigator/Affiliation: K.A. Kelling / UW-Madison, Soil Science
Objective: To evaluate the use of petiole tests for phosphorus to determine if they can accurately assess P needs of potatoes.
Funding Level: $6,837, $6,967, $8,420, $8,940
Duration: 4 years

Project: 135-92
Title: Preliminary Evaluation of Corn Response to Zinc and NPK Starter Fertilizer Treatments at Low Zinc and Excessively High Phosphorus Soil Test Levels
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: To determine corn yield and nutrient uptake response to NPK starter fertilizer and zinc applications at low zinc and excessively high phosphorus soil test levels.
Funding Level: $2,775, $2,775
Duration: 2 years

Project: 138-93
Title: Fall Strip Tillage when Applying Anhydrous Ammonia as a Conservation Tillage System
Principle Investigator/Affiliation: K.J. Shinners / UW-Madison, Agricultural Engineering
Objective: To investigate current residue clearing tools to determine the most appropriate for placement in front of the anhydrous ammonia injection knife.
Funding Level: $3,500, $3,500, $3,500
Duration: 3 years

Project: 140-93
Title: Plant Analysis with Standardized Scores (PASS): Development and Testing on Corn and Alfalfa
Principle Investigator/Affiliation: E.E. Schulte / UW-Madison, Soil Science
Objective: To publish a paper in one of the ASA journals on problems with the DRIS and on how the strengths of the SR system match the weaknesses of the DRIS and vice versa.
Funding Level: $3,500, $2,000
Duration: 2 years

Project: 143-93
Title: Assessment of Soil Nitrogen Tests in Animal-Based Farming Systems
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: To evaluate soil nitrate tests performed at preplant, emergence, and pre-sidedress stages for predicting N availability to corn in farming systems with substantial N contributions from legumes and manure.
Funding Level: $6,992, $6,992, $6,992
Duration: 3 years

Project: 145-94
Title: Effect of Potassium Sources on Alfalfa Yield and Quality at Various Soil Test K Levels and Times of Application
Principle Investigator/Affiliation: K.A. Kelling / UW-Madison, Soil Science
Objective: To establish a series of comprehensive alfalfa fertility experiments to help answer questions that can only be resolved through multifactor studies that adequately evaluate interactions.
Funding Level: $5,428, $6,013, $7,093, $7,093
Duration: 4 years (ongoing)

Project: 146-94
Title: Factors Affecting Corn Response to Starter Fertilizer
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: To determine the effects of P and K soil test levels on corn response to starter fertilizer to identify the soil test levels at which response to starter fertilizer
Funding Level: $11,937, $12,414, $12,891 ($5,550 difference between these nos. and Financial sheet)
Duration: 3 years

Project: 147-94
Title: Residue and N Source Effects on N Availability to No-Till Corn
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: To determine the effects of three residue levels on the effectiveness of surface-applied N fertilizers in no-till corn production.
Funding Level: $4,225, $4,395, $4,571
Duration: 3 years

Project: 148-94
Title: Development of System to Accurately Determine Manure Spread Rates
Principle Investigator/Affiliation: K. Shinners /B. Holmes / UW-Madison, Agricultural Engineering
Objective: To develop systems that can provide an accurate means of determining and controlling spread rate of livestock wastes.
Funding Level: $8,000, $10,000, $6,900
Duration: 3 years

Project: 150-95
Title: Carry-Over Soil Nitrate Prediction System
Principle Investigator/Affiliation: W.L. Bland / UW-Madison, Soil Science
Objective: To make available to Wisconsin corn growers and consultants a monthly prediction through the winter of the likelihood of detecting significant N with the PPNT.
Funding Level: $5,340, $5,300
Duration: 2 years

Project: 151-95
Title: Determination of N, P, K and pH Levels for Improving Ginseng Root Yield and Root Quality in Wisconsin
Principle Investigator/Affiliation: J. Parke / UW-Madison, Plant Pathology
Objective: To determine the levels of N, P and K and soil pH for achieving high root yield and quality of cultivated American ginseng in Wisconsin.
Funding Level: $8,310, $8,310, $8,310
Duration: 3 years (ongoing)

Project: 152-95
Title: Nitrogen Tests to Predict Optimum N Rates for Winter Wheat
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: To evaluate nitrogen tests with potential for predicting optimum N rates for winter wheat in Wisconsin.
Funding Level: $9,810, $9,950, $10,050
Duration: 3 years (ongoing)

Project: 154-96
Title: Usefulness of Irrigation Water and Fertigation as Nitrogen Sources for Potatoes
Principle Investigator/Affiliation: K.A. Kelling / UW-Madison, Soil Science
Objective: To compare the relative use efficiency of fertigation-applied N through overhead sprinklers or drip irrigation compared to conventional banding prior to row closure.
Funding Level: $15,760, $15,760, $15,760
Duration: 3 years (ongoing)

Project: 155-96
Title: Development of a Variable Rate Nitrogen Application Approach for Corn
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: To evaluate within-field variation of optimum N rates for corn in uniformly managed fields typical of those used for corn production in Wisconsin.
Funding Level: $15,000, $15,000, $15,000
Duration: 3 years (ongoing)

Project: 157-97
Title: Best Management Practices for Starter Fertilizer in WI Farming Systems
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: To determine whether applying starter fertilizer is economically justified for corn production under several soil and/or management variables such as soil P and K levels, soil characteristics, tillage system, previous crop, manure application history, planting date, length of growing season, and annual climatic differences.
Funding Level: $6,900
Duration: 1 year (ongoing)

Project: 158-97
Title: Nitrogen Cycling in Crop Residues and Cover Crops
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: To determine the availability of N in crop residues of potato and sweet corn to a subsequent corn crop.
Funding Level: $2,880
Duration: 1 year (ongoing)

Project: 159-97
Title: Evaluation of Nitrogen Tests for Site-Specific N Recommendations for Winter Wheat
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: To evaluate nitrogen tests for site-specific prediction of optimum N rates for winter wheat.
Funding Level: $10,790, $11,220, $11,670
Duration: 3 years (ongoing)

Project: 160-97
Title: Planting Date and Hybrid Effects on Nitrogen Recommendations for Corn
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: To determine the effects of corn planting dates and corn hybrids differing in relative maturity on optimum N rates for corn.
Funding Level: $9,450, $9,800, $10,190
Duration: 3 years (ongoing)

Project: 161-97
Title: Interaction of Extended or High Rates of Calcium or Potassium on Magnesium Needs of WI Potatoes
Principle Investigator/Affiliation: K.A. Kelling / UW-Madison, Soil Science
Objective: To evaluate the effects of calcitic lime and high rates of K on potato magnesium levels and responsiveness.
Funding Level: $6,400, $7,600, $8,000
Duration: 3 years

Project: 163-97
Title: Nutrient Monitoring in the WI Integrated Cropping Systems Trial
Principle Investigator/Affiliation: J. Posner / UW-Madison, Agronomy
Objective: To measure the effect, after seven years, of six cropping systems on soil fertility (to 3' depth). In addition to monitoring the changes in soil test levels, we will report on the annual nutrient input-output budgets that have been built for each phase.
Funding Level: $4,000, $6,456, $5,884
Duration: 3 years

Project: 164-97
Title: Development of a System to Accurately Determine Manure Spread Rates to Protect Water Quality and Improve Farm Profitability
Principle Investigator/Affiliation: R. Straub / UW-Madison, Biological Systems Eng.
Objective: To develop a system for continuously measuring and automatically adjusting the weight of manure spread per unit land area.
Funding Level: $7,000, $7,000
Duration: 2 years

Project: 165-97
Title: Improving Alfalfa Yields in Northwest Wisconsin with Sulfur Fertilization
Principle Investigator/Affiliation: K.A. Kelling / UW-Madison, Soil Science
Objective: To produce consistent alfalfa yields of four tons per acre or higher
Funding Level: $2,900, $2,900, $2,900
Duration: 3 years

Project: 166-98
Title: The Lancaster Experiment: Crop Rotations for the Unglaciated Soils of the Upper Mississippi Valley
Principle Investigator/Affiliation: R. Higgs / UW-Platteville, Agriculture
Objective: To evaluate nitrogen contributions from legume crops in rotations compared to N fertilized continuous corn; provide access to experiment and long-term data for research on long-term crop management effects on crop production, N cycling and environmental issues as well as economic evaluations.
Funding Level: $7,400, $7,650, $7,900
Duration: 3 years

Project: 167-98
Title: Dynamic Simulation of Soil Nitrate for N Fertilizer Management
Principle Investigator/Affiliation: W.Bland / UW-Madison, Soil Science
Objective: To create a dynamic simulation model of nitrogen dynamics in the mineral soils used for poato production in WI.
Funding Level: $10,000, $10,000
Duration: 2 years

Project: 168-98
Title: Evaluation of Slow Release Fertilizer to Aid Establishment of Cranberry Vines in Upland Settings
Principle Investigator/Affiliation: T. Roper / UW-Madison, Horticulture
Objective: To evaluate effect of various slow release fertilizers for siutability to provide nitrogen to new cranberry vines; to evaluate cranberry growth and precocity resulting from nitrogen from slow release sources.
Funding Level: $2,500, $2,300, $2,300, $2,300
Duration: 4 years

Project: 171-98
Title: Effect of Subsoiling on Soil Physical Properties and Crop Growth in Several Wisconsin Soils
Principle Investigator/Affiliation: R.P. Wolkowski / UW-Madison, Soil Science
Objective: To evaluate crop growth and yield response to subsoiling; determine changes in soil physical properties from subsoiling; evaluate whether subsoiling effects plant nutrient removals.
Funding Level: $5,520
Duration: 1 year

Project: 172-99
Title: Effect of Tillage and Timing on Legume N Mineralization and N Credit to Small Grain Principle Invstigator/Affiliation: K. A. Kelling / UW-Madison, Soil Science
Objective: To determine if sufficient N is available to winter wheat from alfalfa if alfalfa is harvested around the 1st of Sept. and wheat planted around the 15th of Sept; determine if the tillage system influences N availability; determine if a small amount of fall N will be adequate until N Mineralization occurs, but not so much that wheat lodges.
Funding Level: $9,700, $9,800, $9,900
Duration: 3 years

Project: 173-99
Title: Characterization of Nitrogen Uptake Efficiency of New and Commercial Apple Rootstocks and Scions
Principle Investigator/Affiliation: T. R. Roper / UW-Madison, Horticulture
Objective: To determine if rootstocks or scions have a greater effect on nitrogen efficiency in apple; determine if different rootstocks or different scions have a differential effect on nitrogen uptake efficiency.
Funding Level: $4,000
Duration: 1 year

Project: 175-99
Title: Nitrogen Application Effects on Residue Decomposition and No-till Corn Yields
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: To determine the influence of pre-season N fertilization at low rates (30 lb N/acre) on corn residue decomposition in no-till corn production; monitor the effects of pre-season N treatments and residue chopping on quantity, carbon and nitrogen composition, and soil temperature.
Funding Level: $9,400, $9,700, $10,000
Duration: 3 years

Project: 177-99
Title: Phosphorus Losses in Runoff from Wisconsin Soils
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: To determine the relationships between P soil test values from several methods and soluble P concentrations in runoff for three major soil groups in Wisconsin; evaluate P test methods for their ability to predict soluble P concentrations in runoff; identify soil P test threshold values for three major land resource areas (MLRA's) in WI.
Funding Level: $8,200, $8,320, $8,650
Duration: 3 years

Project: 178-99
Title: Using Airborne Remote Sensing to Evaluate Nutrient Stress and Crop Performance in Large Crop Production Fields
Principle Investigator/Affiliation: R.T. Schuler / UW-Madison, Biological Systems Eng.
Objective: To determine the relationships between plant tissue nutrient concentrations and remotely sensed aerial digital imagery, between soil nutrient concentrations and remotely sensed aerial digital imagery, to quantify the percent of corn field under nutrient stress, compare nutrient crop stress to performance over the growing season.
Funding Level: $7,800, $7,800, $7,800
Duration: 1 year (actual) 3 years (proposed)

Project: 180-99
Title: Evaluation of Soil Test Levels in Grid-sampled Fields Treated with Variable-rate Fertilizer Applications
Principle Investigator/Affiliation: R.P. Wolkowski / UW-Madison, Soil Science
Objective: To evaluate the effectiveness of variable-rate fertilization for adjusting soil test levels within fields; combine estimated crop nutrient removal for selected fields with soil test and fertilization records to develop a nutrient budget; develop recommendations for the resampling of previously grid sampled fields.
Funding Level: $6,325
Duration: 1 year

Project: 183-99
Title: Evaluating a Standard Field Method for Measuring Nitrogen Mineralization
Principle Investigator/Affiliation: J.M. Norman / UW-Madison, Soil Science
Objective: To compare the standard in-situ-soil-core/exchange-resin technique to a new method that replaces the resin bag with a variable-tension micro-lysimeter that will simulate natural drainage conditions in 3 agroecosystems.
Funding Level: $8,875
Duration: 1 year

Project: 184-99
Title: Interaction of Soil pH and Rate of Topdressed K on Alfalfa Forage Mineral Levels, Yield and Quality
Principle Investigator/Affiliation: K.A. Kelling and J.B. Peters / UW-Madison, Soil Science and UW Soil and Forage Lab, Marshfield
Objective: To evaluate the effects of several K2O rates on alfalfa tissue mineral balance; evaluate the effects of lime source; evaluate the estimation of tissue mineral levels by NIR in comparison to measured ICP values.
Funding Level: $10,416, $10,500, $11,000
Duration: 3 years

Project: 185-99
Title: Investigations into Improved N Use Efficiency of Potatoes
Principle Investigator/Affiliation: K.A. Kelling / UW-Madison, Soil Science
Objective: Study ammonium sulfate and fumigation in a variety of ways.
Funding Level: $8,000, $8,500, $9,000
Duration: 3 years

Project: 186-00
Title: Evaluating Benefit from Over-winter Corn Crops
Principle Investigator/Affiliation: L.G. Bundy/ UW-Madison, Soil Science
Objective: To determine the effect of cover crop species on the beneficial effect on subsequent crop yields; determine the relationship between cover crop benefits and nitrogen rate applied to the subsequent crop; evaluate some cover crop management variables to obtain information about the mechanisms for the cover crop effect.
Funding Level: $11,620, $11,520, $11,920
Duration: 3 years

Project: 187-00
Title: Plant Availability of P from Manure Differing in P Concentration compared with Other P Sources
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: To determine the effects of dairy diet P concentrations on P losses in runoff from land-applied manure; compare plant availability of P in dairy manures, fertilizer P, and municipal sewage sludge; compare the effects of P additions from manures, P fertilizer, and biosolids on soil test P levels, and forms of P in soils.
Funding Level: $6340
Duration: 1 year

Project: 188-00
Title: Use of Surfactant-Modified Zeolite as Fertilizer Additives to Control Nitrate, Sulfate, and Phosphate Release
Principle Investigator/Affiliation: Zhaohui Li / UW-Parkside
Objective: To determine maximum amounts of nitrate, sulfate, and phosphate loading on SMZ; to determine the release of nitrate, sulfate, and phosphate; to study the mechanisms of anion release via desorption kinetic; to compare the reduction in leaching loss of nitrate and phosphate when SMZ is used; to evaluate the efficiency of using SMZ as additives to CRF's in greenhouse scale.
Funding Level: $8,122, $8,307
Duration: 2 years

Project: 189-00
Title: Effect of Stand Age on Alfalfa Response to N and/or S and Confirmation of Alfalfa S Needs in Wisconsin
Principle Investigator/Affiliation: K.A. Kelling and P.E. Speth / UW-Madison, Soil Science
Objective: To determine if the S responses observed at Arlington in the 1993-1996 potassium trial are now typical for southern WI; to determine if S responses now observed in southern WI are stand-age related; to use multiple on-farm trials to field calibrate the WI "Sulfur Availability Index" (SAI) model.
Funding Level: $7,522, $7,900, $8,300
Duration: 3 years

Project: 190-00
Title: Evaluation of Dairy Manure Use in Potato Production Systems
Principle Investigator/Affiliation: K.A. Kelling / UW-Madison, Soil Science
Objective: To determine the availability and movement/accumulation (N and P) of manurial nutrients and the influence of manure on incidence and severity of potato common scab; evaluate the effect of time after manure applications on common scab incidence and severity; determine if potato production practices can be defined which allow for the integration of the potato and dairy industry.
Funding Level: $9,600, $9,600, $9,600
Duration: 3 years

Project: 191-01
Title: Manure Management and History Effects on Phosphorus Losses in Runoff From Land-Applied Manure in Corn Production
Principle Investigator/Affiliation: L.G. Bundy / UW-Madison, Soil Science
Objective: To determine the effect of manure application history on dissolved and total P losses in runoff and the effect of manure dry matter content (liquid vs. semi-solid) and management (unincorporated, incorporated, injected) on dissolved and total P losses in runoff; use this information to assist with calibration of P-index values for dissolved and total P losses in runoff; use this information to assist with identification of P-index levels at which more intensive management is needed based on dissolved or total P losses in runoff; a secondary component of this research will be to simultaneously determine N in runoff thus providing additional information on these management practice effects on N losses in runoff.
Funding Level: $15, 130, $15,720, $16,340
Duration: 3 years

Project: 192-01
Title: Reducing Phosphorus Fertilizer Application to Cranberry Beds
Principle Investigator/Affiliation: T. R. Roper / UW-Madison, Horticulture
Objective: To determine if the critical amount of P fertilizer for cranberries is below 20 kg P/h and if so where the critical value is; provide information for growers to encourage them to reduce phosphorus applications to minimize the risk of phosphorus entering surface waters from cranberry marshes.
Funding Level: $2,350, $2,350, $2,350
Duration: 3 years

Project: 195-01
Title: Water-availability of Phosphorus from Animal Manures and P Fertilizers Applied to Soils
Principle Investigator/Affiliation: L.R. Cooperband / UW-Madison, Soil Science
Objective: To quantify and compare the amounts of water-available P over time following application of manures and fertilizer P to soils; identify chemical and physical characteristics of soil, manure, soil-manure and soil-fertilizer P combinations that influence water-available P; characterize organic and mineral P forms in manure and manured soils over time and compare with known mineral P forms to identify mechanisms controlling P release to water.
Funding Level: $12,959
Duration: 1 year

Project: 196-02
Title: Phosphorus Dynamics in Soils Receiving Chemically Treated Dairy Manure
Principle Investigator/Affiliation: K.G. Karthikeyan, Engineering dept., University of Wisconsin - Madison.
Objective: To systematically investigate the effect of land application of chemically treated manure on soil P dynamics. Specific objectives of our work include determining the effect of chemical treatment type, rate of application of chemically treated manure, and background soil-P level on short- and long-term [up to 2 years] dynamics and bio-availability of P.
Funding Level: $17,125, $19,805, $19,765
Duration: 3 years

Project: 197-02
Title: Maize Hybrid Response to P Fertilization: Analysis of Genotypes with Divergent Root Traits, P Efficiency, and Mycorrhizal Responsiveness.
Principle Investigator/Affiliation: Shawn Kaeppler
Objective: Specifically, to compare hybrids of common parentage but differing in specific P-efficiency related traits for response to starter P and response to fall-applied P based on seeling shoot weight, flowering date, total P acquisition, and grain yield.
Funding Level: $10,000, $10,000, $10,000
Duration: 3 years

Project: 198-02
Title: Soil Test Selection and Calibration for Turf.
Principle Investigator/Affiliation: Wayne R. Kussow, Dept of Soil Science, UW-Madison.
Objective: To identify and calibrate soil test methods for turf that provide equally reliable indices of plant available P and K in acidic and calcareous. To test the utility of the Mehlich III method for estimating plant available secondary and micronutrients. To assess the usefulness of soil tests for K in sand putting greens.
Funding Level: $8,480
Duration: 1 year

Project: 199-03
Title: Nitrogen- and Phosphorus-Based Manure Application Rate Effects on Phosphorus in Runoff.
Principle Investigator/Affiliation: Larry G. Bundy, Dept of Soil Science, UW-Madison.
Objective: To determine the effect of N- and P-based manure application rate standards and tillage on: 1)dissolved P, bioavailable P, and total P losses in runoff; 2)crop removal of P, changes in soil test P levels, and soil P stratification; and 3) corn grain yield and moisture content for determining economic returns based on inorganic N fertilizer inputs, grain drying costs, yield.
Funding Level: $5,950, $18,630, $18,930
Duration: 3 years

Project: 203-03
Title: Evaluation of the Amino Sugar Nitrogen Soil Test for Predicting Optimum N Rates for Corn.
Principle Investigator/Affiliation: Larry G. Bundy, Dept of Soil Science, UW-Madison.
Objective: To evaluate the amino sugar N test method (Illinois N test) for predicting corn N needs by applying this test to stored soils from numerous N response experiments with previously determined optimum N rates and associated N test results.
Funding Level: $12,500, $12,500
Duration: 2 years

Project: 204-03
Title: Field Calibration of the Amino Sugar Nitrogen Soil Test in Wisconsin.
Principle Investigator/Affiliation: Larry G. Bundy, Dept of Soil Science, UW-Madison.
Objective: To calibrate the amino sugar N test method (Illinois N test) for predicting the optimum corn N rates in Wisconsin using established experiments with a range in N availability.
Funding Level: $11,300, $11,750, $12,200
Duration: 3 years

Project: 205-04
Title: Improving Nitrogen Management for Corn on Irrigated Sandy Soils.
Principle Investigator/Affiliation: Larry G. Bundy, Dept of Soil Science, UW-Madison.
Objective: For corn production on sandy irrigated soils: Determine optimum times of N application; Determine optimum N rates using several N fertilizer materials; Evaluate use of a nitrification inhibitor with selected N sources and times of application.
Funding Level: $7,500, $7,800, $8,200
Duration: 3 years

Project: 206-04
Title: Tannin-bound Protein Fertilizers for Rhododendrons - Feed the Crop, Starve the Weeds?.
Principle Investigator/Affiliation: Kevin R. Kosola, Dept of Horticulture, UW-Madison.
Objective: To assess the potential for developing tannin-bound protein as a fertilizer nitrogen source which would be available to ornamental Ericaceae, but not to common weeds.
Funding Level: $8,156
Duration: 1 year

Project: 207-04
Title: Determining Tuber Calcium Accumulation Efficiency, Using Various Fertilizers, for Major Potato Cultivars.
Principle Investigator/Affiliation: Jiwan P. Palta, Dept of Horticulture, UW-Madison.
Objective: The goal of the study is to develop calcium fertilization recommendations for potatoes grown in Wisconsin.
Funding Level: $18,500, $19,500, $19,500
Duration: 3 years

Project: 208-04
Title: Impact of Calcium and Nitrogen Fertilizer Application Timing on Potato Maturity.
Principle Investigator/Affiliation: Alvin J. Bussan, Dept of Horticulture, UW-Madison.
Objective: Determine the impact of the time of application of nitrogen fertilizer on maturity of potato; Determine the impact of time of application of calcium fertilizer on maturity of potato; Qunatify the response of potato sugars, in particular sugar ends, specific gravity, and other potato tuber quality factors to time of application of calcium fertilizer.
Funding Level: $10,000, $10,000
Duration: 2 years

Project: 209-04
Title: Response of First-year Corn Grown on Erodible Soils to Conservation Tillage and Fertilizer Placement.
Principle Investigator/Affiliation: Richard P. Wolkowski, Dept. of Soil Science, UW-Madison.
Objective: To examine the response of first-year corn following soybean to the application of a fertilizer containing both P and K. Row and broadcast placement will be compared in four different conservation tillage systems that have varying degrees of soil disturbance and residue incorporation. The goal of the study will be to demonstrate productive conservation tillage systems for grain crops on the highly erodible soils of Wisconsin and nearby states.
Funding Level: $5,140, $6,149, $6,428
Duration: 3 years

Project: 210-05
Title: Response of Corn and Soybean to Rotational Tillage and Fertilizer Placement.
Principle Investigator/Affiliation: Richard P. Wolkowski, Dept. of Soil Science, UW-Madison.
Objective: Examine the influence of rotational tillage on emergence, early growth, and yield of corn and soybean; Evaluate the response of corn and soybean to P and K fertilization as affected by tillage system and rotation; Determine the effect of increasing and decreasing tillage intensity on selected soil physical properties and soil test stratification.
Funding Level: $7,567, $7,468
Duration: 3 years

Project: 212-05
Title: Soluble Phosphorus Extraction and Recovery from Anaerobically Digested Dairy Manure.
Principle Investigator/Affiliation: K.G. Karthikeyan, Biological Systems Engineering, UW-Madison.
Objective: Characterization of the particle-size and associated P mass distribution of the digestate before and after extraction through the P recovery system; Determination of P recovery efficiency system parameters (i.e., Mg:P molar ratio, pH, solids content, reaction time, precipitator mixing speed, water-extractable P of digestate) on the extent of struvite precipitation.
Funding Level: $16,200
Duration: 1 year

Project: 214-05
Title: Manure Phosphorus Availability.
Principle Investigator/Affiliation: Carrie A.M. Laboski, Dept. of Soil Science, UW-Madison.
Objective: Determine the amount of P from manure that is available to corn based on changes in soil test level, plant uptake, and yield response; Determine how much residual manure P availability exists compared to fertilizer in the second year after P application; Compare increases in soil test P with manure application between field based and laboratory incubation studies.
Funding Level: $15,000, $15,000
Duration: 2 years

Project: 216-06
Title: Changes in the Solution Chemistry of Dairy Manure under Storage.
Principle Investigator/Affiliation: Phillip Barak, Dept. of Soil Science, UW-Madison.
Objective: Identify chemical conditions in stored manure that are: 1) conducive to ammonia losses by volatilization, or 2) conducive to controlled struvite precipitation on molecular templates without chemical additives.
Funding Level: $10,600
Duration: 1 year

Project: 217-06
Title: Manure Solution and Phosphorus Concentration using Biopolymers.
Principle Investigator/Affiliation: K.G. Karthikeyan, Biological Systems Engineering, UW-Madison.
Objective: Compare nine polymeric flocculants for concentration of manure solids/P and to formulate optimum dosages of flocculants and pH conditions using bench-scale laboratory experiments. Evaluate different fibers to determine the length, effectiveness, and quantity required to absorb the liquid fraction of dairy manure. Apply the most effective mixture of biopolymers and fibers to solidify dairy manure and to assess its physical stability after solidification. Determine the exchangeability and water-extractability of P in solidified manure.
Funding Level: $16,500, $16,200, $16,900
Duration: 3 years

Project: 218-06
Title: An Improved Understanding of Soil Potassium Dynamics and Fertilizer Requirement for Corn and Soybean.
Principle Investigator/Affiliation: Carrie A.M. Laboski, Dept. of Soil Science, UW-Madison.
Objective: Understand the impact of soil drying on STK for soils with different parent materials. Quantify the seasonal variability in STK for different soils. Assess the interactive effects of soil test extract type with soil drying on STK. Reaffirm critical STK levels for corn and soybean production. Validate K crop removal values that are currently used.
Funding Level: $18,500, $19,000
Duration: 2 years

Project: 219-06
Title: Is Potassium Chloride a Suitable Fertilizer for Cranberries?.
Principle Investigator/Affiliation: Teryl Roper, Dept. of Horticulture, UW-Madison.
Objective: In aeroponic culture compare the growth and nutrient uptake when cranberries are grown with KCl as a potassium source compared to K₂SO₄. In field trials compare the growth, yield and nutrient uptake when cranberries are grown with KCl as a potassium source compared to K₂SO₄ at two rates of fertilization.
Funding Level: $4,500, $3,000
Duration: 2 years

Project: 222-07
Title: Development of a Rapid Technique for the Determination of Nitrate-nitrogen and Ammonium-nitrogen in Soil.
Principle Investigator/Affiliation: Ibrahim Saeed, Dept. of Soil Science, UW-Madison/SPAL.
Objective: The main objective of this study was to develop a simple, inexpensive, rapid, and reliable spectrophotometric technique for NO₃-N and NH₄-N analyses using a micro-plate reader. A soil extraction system that will be suitable for rapid transfer of samples to micro-plates will also be developed and tested in conjunction with the new analytical technique.
Funding Level: $12,500
Duration: 1 year

Project: 224-07
Title: Investigation of Potassium Buffer Capacities of Wisconsin Soils.
Principle Investigator/Affiliation: Carrie Laboski, Dept. of Soil Science, UW-Madison.
Objective: Evaluate soil K buffer capacity values on a range of Wisconsin soils representing the major soil groups used for soil fertility interpretations in the state. Investigate soil K buffer capacities using soils where severe K deficiency symptoms have appeared on corn. Compare K buffer capacities determined from laboratory incubations with those from field studies using the same soils and K application rates. Incorporate the results of this research into improved K fertilizer application rate guidelines.
Funding Level: $6,400
Duration: 1 year

Project: 225-07
Title: Survey of the Availability of Phosphorus from Various Manures and Manipulated Manures when Applied to Wisconsin Soils.
Principle Investigator/Affiliation: Carrie Laboski, Dept. of Soil Science, UW-Madison.
Objective: Assess the variability in P availability of different manure sources. Determine how soil type influences manure P availability. Create P availability guidelines that are specific to manure sources. Assess differences in soil P buffering capacity with source of P (fertilizer vs. manure) and soil type.
Funding Level: $17,000, $17,000, $17,000
Duration: 3 years

Project: 227-07
Title: Assessing the Effect of Split Phosphorus Fertilizer Applications on Potato Yield.
Principle Investigator/Affiliation: Carrie Laboski, Dept. of Soil Science, UW-Madison.
Objective: To assess the effect of split P applications on leaf P content and yield of potato.
Funding Level: $5,000, $5,000
Duration: 2 years

Project: 229-08
Title: Development of annual and perennial cover cropping systems for integration into vegetable crop rotations.
Principle Investigator/Affiliation: A.J. Bussan, Dept. of Horticulture, UW-Madison.
Objective: Quantify the ability of a spring seeded annual cover crop to accumulate or produce nitrogen that can be utilized by a subsequent snap bean crop. Determine the stage of cover crop development that provides the most available nitrogen at the critical time for uptake by a subsequent snap bean crop. Quantify residue levels and harvest quality of snap beans under different incorporation techniques. Identify optimal timing for establishment of red clover in snap bean.
Funding Level: $6,768
Duration: 2 years

Project: 231-08
Title: Nitrogen management and replant decision recommendations for winter wheat production systems.
Principle Investigator/Affiliation: Shawn Conley, Dept. of Agronomy, UW-Madison.
Objective: Quantify the effect of N rate and timing (fall, spring, split-spring) on winter wheat yield and grain quality. Quantify the effect of spring nitrogen rate and % winterkill on soft red winter wheat yield and grain quality. Develop guidelines for wheat N management and to assist growers in managing winterkill replant decisions in winter wheat.
Funding Level: $16,541
Duration: 2 years

Project: 234-08
Title: Understanding plant availability of manganese in glyphosate resistant soybean systems.
Principle Investigator/Affiliation: Carrie Laboski, Dept. of Soil Science, UW-Madison.
Objective: Quantify the effect of glyphosate in Mn availability in GR soybean systems. Develop new Mn management guidelines for GR soybean systems.
Funding Level: $12,304
Duration: 3 years

Project: 235-08
Title: Comparison of the nitrogen use efficiency and nitrogen needs of corn hybrids with and without transgenic corn rootworm resistance.
Principle Investigator/Affiliation: Carrie Laboski, Dept. of Soil Science, UW-Madison.
Objective: Determine if corn hybrids with the transgenic corn rootworm resistant gene vary in their N use efficiency and N need compared to non-resistant hybrids. Obtain additional N response information to add to Wisconsin's database upon which corn N rate recommendations are made.
Funding Level: $11,009
Duration: 3 years

Project: 236-08
Title: Maximizing nitrogen use efficiency, yield, and quality of grass pasture through the use of nitrogen fertilizer technologies.
Principle Investigator/Affiliation: Carrie Laboski, Dept. of Soil Science, UW-Madison.
Objective: Evaluate the effectiveness of various N fertilizer technologies to improve N use efficiency, yield, and quality of grass pasture.
Funding Level: $19,362
Duration: 2 years

Project: 238-08
Title: Potassium fertilizer requirement for corn and soybean and soil test potassium drawdown.
Principle Investigator/Affiliation: Carrie Laboski, Dept. of Soil Science, UW-Madison.
Objective: Determine at what soil test level corn yields begin to decline and to measure soil test K drawdown the third growing season after potash application.
Funding Level: $10,673
Duration: 1 year

Project: 241-09
Title: Value-added processing and phosphorus recovery from dairy manure using enhanced fermentation.
Principle Investigator/Affiliation: K.G. Karthikeyan, Biol. Sys. Engr., UW-Madison.
Objective: To design a fermentation reactor to process manure solids and evaluate the probable process configurations in which the fermenter can be used for value-added product generation.
Funding Level: $18,959
Duration: 2 years

Project: 242-09
Title: Survey of subsoil fertility of Wisconsin soils.
Principle Investigator/Affiliation: Carrie Laboski, Dept. of Soil Science, UW-Madison.
Objective: To evaluate the subsoil fertility status of the key agronomic soil series in the state. The hypothesis is that subsoil fertility status, specifically available P and exchangeable K, of agricultural soils of Wisconsin has changed over the past fifty years.
Funding Level: $16,399
Duration: 1 year