Results 131 to 140 of about 883 (162)
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Kinetics of sorption‐desorption of benfuracarb insecticide in mollisols
Pest Management Science, 2010AbstractBACKGROUND: Sorption‐desorption processes govern the movement of pesticides in soil. These processes determine the potential hazard of the pesticide in a given environment for groundwater contamination and need to be investigated.RESULTS: In the present study, sorption‐desorption processes of benfuracarb were investigated using a batch method ...
Anjana, Srivastava +2 more
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Long‐Term Changes in Mollisol Organic Carbon and Nitrogen
Journal of Environmental Quality, 2009Conversions of Mollisols from prairie to cropland and subsequent changes in crop production practices in the Midwestern USA have resulted in changes in soil organic matter. Few studies have used archived samples, long‐term resampling of soils to a depth of 1 m, and space for time studies to document these changes. We resampled soils by depth (0–100 cm)
Mark B, David +3 more
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Potassium Dynamics in Western Uruguayan Agricultural Mollisols
Communications in Soil Science and Plant Analysis, 2017Knowledge of soil potassium (K) dynamics and quantification of plant-available K reserves are essential for the correct management of this nutrient.
Agustín Núñez, Alejandro Morón
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Mollisols properties and changes in Ukraine and China
Chinese Geographical Science, 2011Soils are the foundation of civilizations and the basis for human food production. Mollisols in Ukraine and Northeast China are two out of the four major Mollisol regions in the world. The natural areas from which Mollisols developed are the prairies and steppes that experience temperate and freezing conditions. This review paper introduces the general
Yuri S. Kravchenko +4 more
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Soluble Organic Carbon in a Biosolids‐Amended Mollisol
Journal of Environmental Quality, 1999AbstractOrganic matter can be mobilized from many sources and transported in soil by precipitation, snowmelt, and water table fluctuations. Knowledge of the potential fluxes of soluble organic C in different kinds of soil is essential to improve global C budgets.
Nizhou Han, Michael L. Thompson
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1983
Publisher Summary Mollisols are mineral soils that have a mollic epipedon (dark-colored surface horizon with greater than 50 % base saturation as determined by the ammonium-acetate method) or have a surface horizon that after mixing to a depth of 18 cm meets all requirements for a mollic epipedon except thickness. It also has an upper subhorizon that
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Publisher Summary Mollisols are mineral soils that have a mollic epipedon (dark-colored surface horizon with greater than 50 % base saturation as determined by the ammonium-acetate method) or have a surface horizon that after mixing to a depth of 18 cm meets all requirements for a mollic epipedon except thickness. It also has an upper subhorizon that
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Lead-organic matter interactions in a mollisol
Soil Biology and Biochemistry, 1979Abstract Samples from the surface layer (0–15 cm) of a cultivated Typic Haplaquoll, collected in the fall of 1975 from field plots amended with variable amounts of Pb in the spring of 1969 and with ground corn cobs in 1973 and 1974 (22.4 tons ha−1), were analyzed for organic N, total Pb, exchangeable- and soluble-Pb, specifically-adsorbed Pb, and ...
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Potassium Desorption Studies on Calcareous Chernozem Soil (Mollisol)
Communications in Soil Science and Plant Analysis, 2009Potassium (K) desorption studies were carried out on soil samples collected on 10 occasions during the main phenological phases of winter wheat grown on calcareous chernozem soil receiving buildup phosphorus (P)K fertilizer doses, using stationary flow of aqueous and ammonium acetate effluent solutions. The main results can be summarized as follows: 1)
B. Lásztity +3 more
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Trichloroethylene inhibits nitrogen transformation and microbial community structure in Mollisol
Ecotoxicology, 2020Trichloroethylene (TCE) is the most ubiquitous halogenated organic pollutant in the environment, it is one of the 129 priority control pollutants. In order to clarify the influence of TCE on microorganisms and nitrogen transformation in Mollisol is the core purpose of this study.
Pengfei, Li +6 more
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Soil Characteristics Involved in Phosphorus Sorption in Mollisols
Soil Science Society of America Journal, 2016Core Ideas Predictive models of phosphorus sorption were developed for a group of Mollisols. Al
Cabello Carasso, Maria Julia +3 more
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