Results 321 to 330 of about 88,290 (330)
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Interactions of Herbicides with Water-Soluble Soil Organic Matter
Weed Science, 1991Interactions of water-soluble soil organic matter (WSSOM) with the herbicides bromacil, metribuzin, alachlor, diquat, and paraquat were examined to determine if these interactions can improve predictions of herbicide leaching potential. A high-performance liquid chromatography gel filtration column was used to separate WSSOM extracts from four mineral ...
Karrie L. Pennington +2 more
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Ecotoxicological assessment of glyphosate-based herbicides: Effects on different organisms
Environmental Toxicology and Chemistry, 2016Abstract Glyphosate-based herbicides are the most commonly used worldwide because they are effective and relatively nontoxic to nontarget species. Unlimited and uncontrolled use of such pesticides can have serious consequences for human health and ecological balance.
Rhaul Oliveira +8 more
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Soil Organic Matter Sensing for Precision Herbicide Application
1990A prototype sensor which used near infrared (NIR) reflectance techniques to determine the organic matter content of the surface layer of soil was developed and was tested both in the laboratory and in the field. Laboratory predictions yielded an r2 of 0.89 and a standard error of prediction of 0.23% organic carbon (0.40% organic matter) with 30 ...
Kenneth A. Sudduth +2 more
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Effect of an organic fertilizer on the transport of the herbicide atrazine in soil
Chemosphere, 1992Abstract The application of organic fertilizers is a major anthropogenic input into an agricultural ecosystem. A possible effect on the transport to groundwater of a herbicide such as atrazine must be considered. Soil column experiments with the fitting of the breakthrough curves to a convection-dispersion transport model showed that the relative ...
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Peroxidizing Herbicides: Toxicology to Mammals and Non-target Organisms
1999The peroxidizing herbicides constitute a growing group of industrial chemicals (for a review see Duke et al. 1991; Boger and Wakabayashi 1995). Their exact mode of action was elucidated only quite recently, when it was realised that these compounds block the enzymatic oxidation of protoporphyrinogen to protoporphyrin (Matringe et al.
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Acute toxicity of four phenoxy herbicides to aquatic organisms
Bulletin of Environmental Contamination and Toxicology, 1985Howard C. Alexander +2 more
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Observations on the effect of the herbicide isoproturon on aquatic targets and associated organisms
Bulletin of Environmental Contamination and Toxicology, 1995J. I. N. Kumar, B. C. Rana
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Consideration of soil organic matter in making herbicide recommendations
Proceedings of the New Zealand Weed and Pest Control Conference, 1971openaire +2 more sources
Sodium Fluosilicate as an Activator for Certain Organic Insecticides and Herbicides
Journal of Economic Entomology, 1951openaire +2 more sources