History and seed production of purple vetch / Roland McKee.
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| Main Author: | |
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| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Dept. of Agriculture,
1923.
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| Series: | Department circular (United States. Department of Agriculture) ;
256. |
| Subjects: |
| Physical Description: | 5 pages : illustrations ; 23 cm. |
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| Action Note: | committed to retain |