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This article in SSSAJ

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

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

  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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