Results of field crop, shelterbelt, and orchard investigations at the United States Dry Land Field Station, Ardmore, S. Dak, 1911-32 / by Oscar R. Mathews and Verner I. Clark.
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Format: | Government Document Book |
Language: | English |
Published: |
Washington, D.C. :
U.S. Dept. of Agriculture,
1937.
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Series: | Circular (United States. Department of Agriculture) ;
no. 421. |
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