Tuesday, November 6, 2007
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Nutrient accumulation in Sorghum-Sudangrass with a Winter Rye Cover Crop after Poultry Litter Application.

Naomi S. Rowland1, R.A. Gilfillen1, Byron Sleugh2, W.T. Willian1, and M.L. Futrell1. (1) Agriculture, Western Kentucky University, 1906 College Heights Blvd #41066, Bowling Green, KY 42101, (2) Dow AgroSciences, Dow AgroSciences, 6887 Dakota Dr., West Des Moines, IA 50266

Nutrient accumulation in soils can be a problem when poultry litter is applied at higher rates. This study looks at the nutrient content of both the Sorghum-Sudangrass Plants (summer annual) and the Rye Cover Crop (winter annual). Four treatments were used in the study. They consisted of: N rate of litter application (NPL), P rate of litter application (PPL), P rate of litter application with inorganic N (NPPL), and inorganic fertilizers (INORG). Comparisons will look at nutrient uptake and forage quality of both crops.