Rimsulfuron in soil: effects on microbiological properties under varying soil conditions
Radivojević, Lj., Institute of Pesticides and Environmental Protection, Belgrade (Serbia) | Šantrić, Lj., Institute of Pesticides and Environmental Protection, Belgrade (Serbia) | Gajić-Umiljendić, J., Institute of Pesticides and Environmental Protection, Belgrade (Serbia)
The effects of rimsulfuron a sulfonylurea herbicide on the growth and activity of soil microorganisms under laboratory conditions was investigated in two soils. The application rates were: 0.2, 2.0 and 20.0 mg a./kg soil. The lowest concentration tested was the label rate (0.2 mg a.i/kg), and the other two were ten and hundred times higher. No adverse effects on microbiological processes were observed for the label rate. Decrease in microbial biomass carbon, dehydrogenase activity, fungi and bacteria in comparison with untreated control, were found at higher rates. The magnitude of these effects were generally slight and transitory.
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