Illinois Fertilizer
Conference Proceedings
January 25-27, 1999
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Managing Phosphorus: Agronomic and Environmental
Concerns
Regis Voss
Improving Soil Tests for Potassium: Fundamental
Considerations for Partitioning Between Fixed and Exchangable Forms and
Redox Effects
J.W. Stucki and K. Lee
Effects of Time and Rate of N Application on
N Use Efficiency and Surface Water Contamination With Nitrates
R.G. Hoeft, E.D. Nafziger, R.L. Mulvaney, L.C. Gonzini, and J.J. Warren
Strip Till, Tillage, N Placement, and Starter
Fertilizer Effects on Corn Growth and Yield
R.G. Hoeft, E.D. Nafziger, L.C. Gonzini, J.J. Warren, E.A. Adee, L.E. Paul,
and R.E. Dunker
Assessing Variability in Corn Response to N
Rate
E.D. Nafziger, R.G. Hoeft, E. Adee, R.E. Dunker, S.A. Ebelhar, L.E. Paul,
and G.A. Raines
Development and Field Testing of Real-Time
Soil Nutrient Sensors for Precision Fertilizer Application
S. J. Birrell, J. W. Hummel, R. G. Hoeft and T. R. Peck
Soybean and Wheat Responses to Chloride in
Potassium Chloride Fertilizer for Suppression of Disease
K.A. Ames, S.A. Ebelhar, K.L. Barber and W.L. Pederson
Nitrogen Management of Wheat Following Corn
and Soybeans
S.A. Ebelhar and K.L. Barber
Direct Diffusion Methods for Analysis of Soil
Nitrogen
S.A. Khan, R.L. Mulvaney, and R.G. Hoeft
Fertilizer Nitrogen Management to Optimize
Water Quality
K.D Smiciklas1 and A.S. Moore
Evaluation of Variable Rate Techology as
a Management Tool for Potassium Fertilization of Grain Crops
E.C. Varsa, S.A. Ebelhar, S.K. Chong, S.J. Indorante, and T.D. Wyciskalla
An Evaluation of Urease Inihibitor Technology
as a Nitrogen Management Tool in No-Till Corn and Wheat Production: Agronomics
and Economics
E.C. Varsa, S.A. Ebelhar, P.R. Eberle, Erik Gerhard, and Terry Wyciskalla
Tillage and Potassium Placement Effects on
Potassium Use Efficiency in a Corn-Soybean Rotation
S.A. Ebelhar and E.C. Varsa
