ABSTRACT:
A portable rainfall simulator was used to determine Soil Conservation Service runoff curve numbers for fallow rotations at two locations in western Kansas. No-till, stubble-mulch, and clean-till systems were used. Measured curve numbers were compared with published values. Field data supported the estimated curve numbers obtained by reducing published curve numbers up to 10 percent for residue cover.
Footnotes
James M. Steichen is an associate professor of agricultural engineering, Kansas State University, Manhattan, 66506. This work was supported in part by funds provided by the U.S. Department of the Interior under the Water Research and Development Act of 1978 as amended. Contribution No. 83–34-J of the Kansas Agricultural Experiment Station.
- Copyright 1983 by the Soil and Water Conservation Society
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