Transformation of aldicarb sulfoxide and aldicarb sulfone in four water-saturated sandy subsoils

J.H. Smelt, A.E. van de Peppel-Groen, M. Leistra

    Research output: Contribution to journalArticleAcademicpeer-review

    12 Citations (Scopus)

    Abstract

    Accurate transformation rates of pesticide residues in aquifer material are needed to predict the ultimate effects of pesticide leaching on drinking-water resources. Even slow transformation rates in the groundwater zone can lead to substantial reduction of the concentrations. In this study the transformation of the oxidation products of aldicarb was studied in incubations with water-saturated subsoils collected at four sites in the Netherlands. The transformation rates and products varied with soil type, redox potential, and the concentration of the products. The transformation was very fast in an anaerobic subsoil (half-lives some weeks) but much slower (one to several years) in more aerobic subsoils.
    Original languageEnglish
    Pages (from-to)323-334
    JournalPesticide science : a journal of international research and technology on crop protection and pest control
    Volume44
    Issue number4
    DOIs
    Publication statusPublished - 1995

    Keywords

    • microbial degradation
    • persistence
    • pesticide residues
    • pesticides
    • physicochemical properties
    • plant protection
    • sandy soils
    • soil chemistry
    • soil properties

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