... : Triazine-tolerant plants (e.g. maize) rapidly de-chlorinate terbuthylazine to hydroxy-terbuthylazine. Various amounts of de-ethylated and hydroxy de-ethylated ... 2.2-25 are typical values for light agricultural soils. Terbuthylazine is only slightly mobile. Microbial degradation proceeds mainly by de ... ring cleavage. DT50 30-60 d in biologically active soil. Terbuthylazine (Tech.97 % pure) herbicide
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