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Effects of pesticides on 1,3-β-glucanase and urease activities in soil in the presence and absence of fertilisers, lime and organic materials
Journal article   Peer reviewed

Effects of pesticides on 1,3-β-glucanase and urease activities in soil in the presence and absence of fertilisers, lime and organic materials

Gordon Lethbridge, Alan T Bull and Richard G Burns
Pesticide Science, Vol.12(2), pp.147-155
1981
DOI: https://doi.org/10.1002/ps.2780120207
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https://doi.org/10.1002/ps.2780120207View
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Abstract

Environmental Science and Management Zoology Crop and Pasture Production
The effect of four herbicides (2, 4-D, di-allate, benzoylprop-ethyl and glyphosate) and one insecticide (malathion) on 1, 3-β-glucanase and urease activities in soil was investigated in the laboratory. Concentrations equivalent to five times the recommended field application rates of the pesticides, applied as their formulations, had no effect on the activity of either enzyme, under a variety of incubation conditions, which included various moisture regimes and soil treatments. The soil enzyme systems could only be disrupted by unrealistically high dosage rates of the active ingredients (0.1-1.0 g kg-1 of soil), Thus 1, 3-β-glucanase activity was enhanced by 2, 4-D, inhibited by di-allate, benzoylprop-ethyl and malathion, but unaffected by glyphosate; whereas urease activity was inhibited by 2, 4-D, but unaffected by di-allate, benzoylprop-ethyl and glyphosate.

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Agronomy
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