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Excerpt from Some Factors in the Natural Control of the Mexican Cotton Boll WeevilThe magnitude of the work involved is directly increased by the extent of the area affected and by the variations in climatic, geo logical, and cultural conditions which are encountered within the weevil-infested area. While some factors may be studied through multiplied Observations as to

Title : Some Factors in the Natural Control of the Mexican Cotton Boll Weevil (Classic Reprint)
Author : W E Hinds
Language : en
Rating :
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Type : PDF, ePub, Kindle
Uploaded : Apr 11, 2021

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