C Factors for No-Till and Conventional-Till Soybeans from Plot Data

ABSTRACT CROPPING and management (C) values were derived by crop stage periods for conventional-till soybeans and no-till soybeans, no-till corn and soybeans in rotation, and double-cropped no-till soybeans and wheat. Annual C values were derived by a weighting procedure. Actual soil loss and rainfall erosion index measurements were used in the deriva-tions. Conservationists can use these C values to assign design values for conservation cropping management practices in the Universal Soil Loss Equation.