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Fall rice straw management and winter flooding treatment effects on a subsequent soybean crop

June 16, 2010

The effects of fall rice (Oryza sativa L.) straw management and winter flooding on the yield and profitability of subsequent irrigated and dryland soybean [Glycine max (L.) Merr.] crops were studied for 3 years. Rice straw treatments consisted of disking, rolling, or standing stubble. Winter flooding treatments consisted of maintaining a minimum water depth of 10 cm by pumping water when necessary, impounding available rainfall, and draining fields to prevent flooding. The following soybean crop was managed as a conventional-tillage system or no-till system. Tillage system treatments were further divided into irrigated or dryland. Results indicated that there were no significant effects from either fall rice straw management or winter flooding treatments on soybean seed yields. Soybean seed yields for the conventional-tillage system were significantly greater than those for the no-till system for the first 2 yrs and not different in the third year. Irrigated soybean seed yields were significantly greater than those from dryland plots for all years. Net economic returns averaged over the 3 yrs were greatest ($390.00 ha−1) from the irrigated no-till system.

Citation Information

Publication Year 2005
Title Fall rice straw management and winter flooding treatment effects on a subsequent soybean crop
DOI 10.1300/J064v26n01_07
Authors M. M. Anders, T. E. Windham, R. W. McNew, Kenneth J. Reinecke
Publication Type Article
Publication Subtype Journal Article
Series Title Journal of Sustainable Agriculture
Series Number
Index ID 5224474
Record Source USGS Publications Warehouse
USGS Organization Patuxent Wildlife Research Center