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Title: Persistence of the herbicides (/sup 14/C)chlorsulfuron and (/sup 14/C)metsulfuron methyl in prairie soils under laboratory conditions

Journal Article · · Bull. Environ. Contam. Toxicol.; (United States)
DOI:https://doi.org/10.1007/BF01607826· OSTI ID:6787784

Metsulfuron methyl, whose structure is closely related to that of chlorsulfuron, is currently being evaluated on the Canadian prairies as a postemergence treatment for the control of broadleaf weeds in cereal crops, in non-crop land and for brush control. Although applied postemergence, some of the herbicide will come into contact with the soil making it necessary to determine the fate of metsulfuron methyl in the soil. These studies were undertaken to investigate the rate of breakdown and the fate of (/sup 14/C)metsulfuron methyl in three soils under laboratory conditions where no leaching could occur. The rate of breakdown of (/sup 14/C)chlorsulfuron was also investigated in one of the soils.

Research Organization:
Agriculture Canada, Regina, Saskatchewan
OSTI ID:
6787784
Journal Information:
Bull. Environ. Contam. Toxicol.; (United States), Vol. 37:5
Country of Publication:
United States
Language:
English