Richard E. Eckert, Jr., Gerard J. Klomp, Raymond A. Evans, James A. Young, Establishment of Perennial Wheatgrasses in Relation to Atrazine Residue in the Seedbed, Journal of Range Management, Vol. 25, No. 3 (May, 1972), pp. 219-224
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Eckert et al. (1972) studied this question.
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