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Article
Soil and Water Loss from Conservation Tillage Systems
Transactions of the ASAE
  • J. M. Laflen, United States Department of Agriculture
  • James L. Baker, Iowa State University
  • R. O. Hartwig, United States Department of Agriculture
  • Wesley F. Buchele, Iowa State University
  • H. P. Johnson, Iowa State University
Document Type
Article
Publication Date
1-1-1978
Abstract
A rainfall simulator was used to evaluate the effects of six different tillage practices on soil and water losses from continuous corn for three soils in Iowa. Soil loss decreased as tillage decreased. Percent of soil covered by corn residue explained between 78 and 89 percent of the variance in erosion among tillage systems. The effect of non-uniformly distributed corn residue on controlling erosion was greater than expected based on a published mulch factor. Runoff amounts decreased as residue cover increased for two of the three soils studied. No critical slope length limits were found for the tillage practices, soils, slopes, and slope lengths studied except for till-planting on the Ida soil. As sediment concentrations increased, mean sediment size increased for one soil, decreased for a second soil, and was unrelated to sediment concentration for the third soil.
Comments

This article is from Transactions of the ASAE 21, no. 5 (1978): 881–885.

Copyright Owner
American Society of Agricultural Engineers
Language
en
Date Available
December 17, 2012
File Format
application/pdf
Citation Information
J. M. Laflen, James L. Baker, R. O. Hartwig, Wesley F. Buchele, et al.. "Soil and Water Loss from Conservation Tillage Systems" Transactions of the ASAE Vol. 21 Iss. 5 (1978) p. 881 - 885
Available at: http://works.bepress.com/wesley_buchele/20/