A survey of extent and cost of weed control and specific weed problems

Author: Danielson, L. L. (Loran Leroy), - Ennis, W. B. (William Brice), - Klingman, Dayton L., - Shaw, W. C. - Timmons, F. L. (Francis Leonard), - United States. Agricultural Research Service.
Publisher: Beltsville Md,US Dept of Agriculture, Agricultural Research Service 1965

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