Control of the blue mold (downy mildew) disease of tobacco by spraying / [et al.]
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Format: | Texto biblioteca |
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Language: | d |
Published: |
Washington, D.C. : U.S. Dept. of Agriculture,
1938
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Subjects: | TOBACCO BLUE MOLD-CONTROL, DOWNY MILDEW DISEASES-CONTROL, Clayton, E. E., |
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