Illinois Fertilizer
Conference Proceedings
January 25-27, 1993
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Corn Hybrids Response to Supplemental Nitrogen, Placement Rates, and Forms
Residual Soil Nitrogen Levels in 2 Nitrogen Rate Studies
Immobilization of Different Nitrogen Fertilizers
Identifying Source of Nitrate in Rural, Private Drinking Water Wells in Illinois
Optimizing Nitrogen Management for Corn Production in Illinois
Evaluation of Three N Recommendation System for Corn Yield and Residual Soil Nitrate
Wheat Response To Sulfur Fertilization In Southern Illinois
Nutrient Placement and Movement Under Zero-till Conditions
The Effect of Four P & K Rates on the Drawdown and Buildup of Soil Test Levels
Soil Sampling for Variable Rate Fertilization
Twice Monthly Field Soil Sampling For Soil Testing to Evaluate Reproducibility of Soil Test Levels
Effects of Iron Oxidation State on Potassium Fixation
Evaluation of the Minolta SPAD-520 Chlorophyll Meter for On-Farm N Management of Corn in Illinois
Comparison of Plow-Layer Distributed and Surface Applied Limestone for No-till Crop Production
Extraction of K From Illinois Soil by Electro-Ultra-Filtration
