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A hypothesis on the cycling of tebuthiuron


, : A hypothesis on the cycling of tebuthiuron. Research Highlights 1979, Noxious Brush and Weed Control; Range and Wildlife Management (Volume 10): 39-40

Fourteen months after the application of tebuthiuron at 9 kg/ha, residues in the upper 60 cm of soil were at the p.p.b. level. However, woody species continued to defoliate for several years after the application of the herbicide. In a preliminary study, the movement and persistence of tebuthiuron applied as 20% pellets in May 1978 was examined. Herbicide levels in the soil generally decreased with time except for a slight increase in the 0- to 15-cm depth from August to October 1978.

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