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A method for determining rate of dissipation and the mobility of trifluralin in soil

, : A method for determining rate of dissipation and the mobility of trifluralin in soil. Scientia Agricultura Sinica (2): 83-89

A simple and rapid method was developed for the gas chromatographic determination of trifluralin residues in soil using an electron capture detector. There was no interference by other pesticides such as BHC. Recoveries of 89-106% were obtained from three soil types, treated at a level of 0.02-0.2 mu g. Small plots of 24 X 24 cm were treated with trifluralin at a rate of 1.68 kg/ha. Samples were taken immediately at soil levels of 0-5 and 5-10 cm., and after 1, 2, 4 and 6 months.


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