Abstract:Two means of reducing soil contamination resulting from the leaching of spray residues of dalapon from plant foliage were tested: use of volatile forms of the herbicide, residues of which slowly evaporate from the foliage; and use of formulations that congeal to a solid film to retain the herbicide against leaching. Rates of evaporation from giass slides at 20" C for the ethyl ester, n butyl ester, acid, and dicthyleneglycol bis ester of dalapon were respectively 15, 1-6, 0-27 and 0-01 mg/cm*^. As foliar herbi… Show more
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