Illinois Fertilizer
Conference Proceedings
January 26-28, 1998
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An Evaluation of Urease Inhibitor Technology
as a Nitrogen Management Tool in No-Till Corn and Wheat Production
E.C. Varsa, S.A. Ebelhar, P.R. Eberle, Dennis Klockenga, and Amy Mann
On-Farm Evaluation of Variable-Rate Nitrogen
Fertilizer Responses Using Farmer-Owned Equipment
P.D. Harrington, E.D. Nafziger, K.S. Polo, and R.G. Hoeft
Identifying and Reducing Sources of Nitrates
in Illinois Waters
R.G. Hoeft, E.D. Nafziger, R.L. Mulvaney, L.C. Gonzini, and J.J. Warren
Fertilzer Nitrogen Management to Optimize Water
Quality
KID. Smiciklas and A.S. Moore
Assessing Post-Maturity Stalk Nitrate in Different
Corn Hybrids
E.D. Nafziger
Use of Diffusion to Determine Inorganic Nitrogen
in a Complex Organic Matrix
R.L. Mulvaney and S.A. Khan
Development of Real-Time Soil Nutrient Sensors
for Precision Fertilizer Application
S.J. Birrell, J.W. Hummel, T.R. Peck, and R.G. Hoeft
Nitrogen Management of Wheat Following Corn
and Soybeans
S.A. Ebelhar and K.L. Barber
Monitoring Nitrogen Use of Corn Hybrids Using
Grain Protein Concentration
R.J. Lambert, R.G. Hoeft, L.C. Gonzini, and J.J. Warren
Starter Fertilizers for Reduced-Till Corn
K.B. Ritchie, R.G. Hoeft, E.D. Nafziger, L.C. Gonzini, and J.J. Warren
Evaluation of Variable Rate Technology as
a Management Tool for Potassium Fertilization of Grain Crops
EC Varsa, S.A. Ebelhar, S.K. Chong, and S.J. Indorante
Improving Soil Tests for Potassium: Fundamental
Considerations for Partitioning Between Fixed and Exchangeable Forms and
Redox Effects
J.W. Stucki and K. Lee
Soybean and Wheat Responses to Chloride in
Potassium Chloride Fertilizer for Suppression of Disease
W.L. Pedersen, S.A. Ebelhar, and K.L. Barber
Soil Insecticides and Consistency of Performance:
What Variables are Most Critical?
M.E. Gray and K.L. Steffey
Waterhemp - A Contemporary Riddle for Corn
and Soybean Producers
A.G. Hager
Monitoring Crop Stresses
J.S. Schepers, D.S. Hagopian, and G.E. Varvel
Real-time Close-Range Sensors for Soil Attributes
J. W. Hummel and S. J. Birrell
