ABSTRACT:
Controlled streams were applied to irrigation furrows containing various amounts of plant residue. Infiltration rates, sediment discharge, turbidity of runoff water, and seasonal erosion were measured. The results showed that residue in irrigation furrows controls erosion and reduces turbidity of runoff water. Because relatively small amounts of residue effectively reduced erosion, limited tillage can be used to prepare a seedbed and incorporate herbicides. Sufficient residue will remain to control erosion.
Footnotes
David E. Miller and John S. Aarstad are soil scientists at the Irrigated Agriculture Research and Extension Center, Agricultural Research Service, U.S. Department of Agriculture, Prosser, Washington 99350. This paper is a contribution from the Western Region, ARS, USDA, in cooperation with the College of Agriculture Research Center, Washington State University, Pullman, WSU Scientific paper No. 6460.
- Copyright 1983 by the Soil and Water Conservation Society
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