ABSTRACT:
The effectiveness of residues from six crops for reducing wind erosion in the semiarid Southern High Plains was evaluated using the wind erosion equation and 38 years of crop residue data. The crops and their respective potential annual soil losses from wind erosion [when C = 70, I = 193 t/ha (86 tons/acre), L = 914 m (3,000 feet), and K = 0.7] were as follows: kafir, 12 t/ha; forage sorghum, cut 80 cm high, 15 t/ha; winter wheat, 39 t/ha; grain sorghum, 43 t/ha; corn, 77 t/ha; and cotton, 83 t/ha.
Footnotes
J. D. Bilbro is a research agronomist and D. W. Fryrear is an agricultural engineer with the Cropping Systems Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Big Spring, Texas 79720.
- Copyright 1985 by the Soil and Water Conservation Society
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