Control of the green clover worm in alfalfa fields / Charles C. Hill.
"Severe infestation of alfalfa by the green clover worm has been reported recently from the central part of the United States. Caterpillars hatching out from eggs laid by small brown and black moths, in some cases have stripped the foliage from alfalfa plants to such an extent that infested fie...
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| Main Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Dept. of Agriculture,
1918.
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| Series: | Farmers' bulletin (United States. Department of Agriculture) ;
no. 982. |
| Subjects: |