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Planta Daninha

Print version ISSN 0100-8358


PAULO, E. M.; JORGE, J. A.; ARRUDA, F. B.  and  PATRICIO, F. R. A.. Effect of some soil characteristics on plant response to herbicide dosis. Planta daninha [online]. 1991, vol.9, n.1-2, pp.76-84. ISSN 0100-8358.

A study was conducted in green house to determine the survival time of eight vegetable plant species to soil application of 1,8 and 3,2 kg/ha of atrazine, and 1,2 and 2,0 kg/ha of diuron, in three tropical soils. High line ar correlation was obtained betwe en avera ge survi val time and organic matter content, cation exchange capacity (CEC) and soil pH; and low correlation with clay or clay plus silt content. The results lead to the conclusion that it seems more consistent to consider CEC inste ad of soil texture on dosis recommendation fow both herbicides.

Keywords : atrazine; diuron; vegetable plant; organic matter; CEC.

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