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3. Barrentine W. L. and McWhorter C. G. 1966. New Spray techniques for directed postemergence weed control in row crops. Weed Soc. Am. Abstr. p. 104.
4. Effects of time and rate of application of 2,4-DB on cocklebur control in soybeans;Overton;Proc. So. Weed Conf.,1964
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