Effect of an air film on soil to tillage surface friction
Institution: | Iowa State University |
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Department: | |
Year: | 1961 |
Keywords: | Tillage; Agricultural engineering; Theoretical and Applied Mechanics; Agriculture; Bioresource and Agricultural Engineering |
Record ID: | 1580260 |
Full text PDF: | http://lib.dr.iastate.edu/rtd/2428 http://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=3427&context=rtd |