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Soil Science Society of America Journal Abstract -

Elimination of Aerobic Degradation During Characterization of Pesticide Adsorption—Desorption in Soil1


This article in SSSAJ

  1. Vol. 46 No. 2, p. 256-259
    Received: Aug 24, 1981
    Accepted: Nov 16, 1981

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  1. W. C. Koskinen and
  2. H. H. Cheng2



Two methods for elimination of aerobic pesticide degradation during characterization of pesticide adsorption-desorption in soil were compared, using 2,4,5-T (2,4,5-trichlorophenoxyacetic acid) as the test compound. Steam sterilization of soil significantly decreased 2,4,5-T adsorption by soil, and degradation of 2,4,5-T became noticeable after three days of desorption. Conducting the adsorption-desorption process under a nitrogen atmosphere resulted in little change in 2,4,5-T adsorption characteristics and negligible degradation even after six days of desorption.

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