Biological control of the European corn borer in the United States /
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| Main Author: | |
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| Format: | Texto biblioteca |
| Language: | d |
| Published: |
Washington : U.S. Dept. of Agriculture,
1949
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| Subjects: | EUROPEAN CORN BORER-BIOLOGICAL CONTROL, CORN DISEASES AND PESTS-UNITED STATES, Bradley, W.G., United States Department of Agriculture, |
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