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Book cover of Studies in the Biology of the Mexican Cotton Boll Weevil on Short-staple Upland, Long-staple Upland, and Sea-island Cottons

Studies in the Biology of the Mexican Cotton Boll Weevil on Short-staple Upland, Long-staple Upland, and Sea-island Cottons

by George Durward Smith, United States. Department of Agriculture ยท 1921

ISBN:  Unavailable

Category: Unavailable

Page count: 44

Of development period of the first generation boll weevils in upland cotton squares under field conditions. pp. 22.