Assessing the Effect of Organoclays and Biochar on the Fate of Abscisic Acid in Soil
作者： Beatriz Gámiz , Lucía Cox , M. Carmen Hermosín , Kurt Spokas , Rafael Celis
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摘要: The potential use of allelopathic and signaling compounds as environmentally friendly agrochemicals is a subject increasing interest, but the fate these once they reach soil environment poorly understood. This work studied how sorption, persistence, leaching two enantiomers phytohormone abscisic acid (ABA) in agricultural was affected by amendments organoclays (SA-HDTMA Cloi10) biochar derived from apple wood (BC). In conventional 24-h batch sorption experiments, higher affinity toward ABA displayed SA-HDTMA followed Cloi10 then BC. Desorption could be ascertained only BC, where presented difficulties to desorbed. Dissipation enantioselective with S-ABA being degraded more quickly than R-ABA, order unamended > Cloi10-amended BC-amended SA-HDTMA-amended for both enantiomers. Sorption determined during incubation experiment indicated some...
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