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shishir_tandon2000@yahoo.co.in
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Department of Chemistry, G.B. Pant University of Agriculture & Technology, Pantnagar, Uttarakhand 263 145
Metsulfuron-methyl, Leaching, Soil, HPLC
Leaching potential of metsulfuron-methyl herbicide was evaluated under laboratory conditions in Mollisol soil of Pantnagar, Uttarakhand with simulated rainfall. Metsulfuron- methyl was applied at recommended dose (4 g/ha) on 60 cm long soil columns. After seven days of experiment, maximum concentration was observed in 30-35 cm column depth and some amount of herbicide leached out and was detected in leachates. Study indicated high mobility of metsulfuron-methyl under saturated moisture conditions which may pose significant ground water contamination.