Rotation tillage experiments at the Lawton (Okla.) Field Station, 1917-1930 / by W.M. Osborn.
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| Main Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. Dept. of Agriculture,
1932.
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| Series: | Technical bulletin (United States. Department of Agriculture) ;
no. 330. |
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| Item Description: | Caption title. |
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| Physical Description: | 35 pages : illustrations ; 23 cm. |