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Development and Evaluation of a Residue Management Wheel for Hoe-Type No-Till Drills

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  Paper number  031018,  2003 ASAE Annual Meeting . (doi: 10.13031/2013.13707) @2003
Authors:   Mark C. Siemens, Dale E. Wilkins, Robert F. Correa
Keywords:   row cleaner, seedling emergence, seed drills, drill performance, no-tillage, residue, stand establishment, yield, no-till drill, direct sowing, wheat

Adoption of conservation tillage in the Pacific Northwest lags that of the United States in part due to the lack of reliable seeding equipment for planting into the heavy residue encountered in this region. To overcome this problem, an attachment was developed to allow a hoe-type no-till drill to handle large amounts of residue and improve drill performance. The patented device (U.S. 6,345,671) consists of a fingered rubber wheel, a rubber inner ring, and a spring loaded arm which pivots about vertical and horizontal axis. The unit is designed to attach to the tool bar of hoe-type no-till drills and positioned so that the inner ring is next to the furrow opening shank. When seeding, the ground driven rubber fingered wheel and inner ring hold down and walk through crop residue, preventing it from building up on the shank and seed tube. The device was evaluated in 2000 and 2001in Oregon and Washington. Test site locations varied significantly in the amount and condition of crop residue and were planted to a variety of different crops. The results showed that as compared to the standard drill, the residue management wheel was found to increase seedling stand count of small seeded crops such as Canola and mustard by over 40 percent and large seeded crops such as wheat and barley by 16 percent. These differences were found to be statistically significant. Increases in stand generally resulted in increases in crop yield of 6-8 percent, but these differences were not always statistically significant.

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