Reports by W.T. Willian
Nutrient accumulation in Sorghum-Sudangrass with a Winter Rye Cover Crop after Poultry Litter Application.
Nutrient removal by a Rye Cover Crop after Poultry Litter Application to Sorghum-Sudangrass.
Soil Nutrient Accumulation and Corn Grain Yield as Influenced by Tillage and Poultry Litter Application.