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Soil Cover Prediction with Various Amounts and Types of Crop Residue

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  Transactions of the ASAE. 25 (5): 1333-1337. (doi: 10.13031/2013.33723) @1982
Authors:   James M. Gregory
Keywords:   

ABSTRACT AN equation has been derived to predict the fraction of soil covered by crop residue as a function of the mass of residue. The equation was checked with ex-perimental data reported in the literature. A method of physically measuring the calibration coefficient in the equation was also checked. Coefficients for several types of crop residue were measured. Finally, the equation was verified and found to work for actual field conditions. The derived equation is relatively simple yet provides a fundamental theoretical basis on which residue manage-ment systems can be analyzed.

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