How teachers may use farmers´ bulletin 1148 : cowpeas: culture and varieties /
| Hlavní autor: | |
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| Typ dokumentu: | Kniha |
| Jazyk: |
angličtina |
| Vydavatel: |
Washington :
United States Department of Agriculture,
1921.
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| Edice: |
United States Department of Agriculture. Department circular ;
157 |
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