[PDF] Top 20 Degradation of the herbicide sulfentrazone in a Brazilian typic hapludox soil. - Portal Embrapa

... conducted in soils under temperate climate conditions, predominantly in Europe and North America ( Dores and Delamonica- Freire, 1999 ), the fate of pesticides and their metabolites in ... See full document

... about the envi- ronmental impact of microbial ...biopesticide. In this study, we report the use of soil enzyme assays as biological indicator of possible negative effects ... See full document

... different soil types were collected from fields with and without a reported history of glyphosate ap- ...One soil type was collected from a peach or- chard at the experimental station of ... See full document

... estimate the BCF. This equation depends directly on the herbicide concentration factor in the transpiration stream, the transpiration stream volume and the plant-water ... See full document

... that in all soils AMT and PMT were more adsorbed than MTM, ATZ and SMZ indicating that electrostatic forces other than weak forces will be acting especially at Typic Humaquepts (site 4) due to high ...SOM. ... See full document

... on the experimental data demonstrated a strong positive correlation between the amount of fungicide dissipated with the initial rates of metalaxyl supplemented and also with the ... See full document

... ABSTRACT: The region of Ribeirao Preto City located in Sao Paulo State, southeastern Brazil, is an important sugarcane, soybean and corn producing ...groundwater of the Guarany aquifer, ... See full document

... aim of this work was to study herbicide degradation through selected microorganisms from humus and soil subjected to different plantation ...systems. The following bacterial species ... See full document

... – The region of Ribeirão Preto, São Paulo State, Brazil, is located over recharge area of the Guarany aquifer, the most important source of groundwater in the South ... See full document

... Although, the analyses to detect the parent compounds and metabolites were done on all the sampling dates, the presence of the metabolite 3-hydroxymethyl sulfentrazone ... See full document

... characterize the predominant physical and chemical processes that describe the transport, persistence and fate of a particular pesticide at a deter- mined site of ...analysis of ... See full document

... On the other hand, other favored phyla include Bacteroidetes, can- didate divisions OD1, OP11, and OS-K, and ...Spirochaetes. The candidates divisions OD1 and OP11 are related to the sulfur cycle, ... See full document

... Even though relatively simple, the many detailed simulation procedures require temporal series o f solar radiation, temperature in the environment, precipitation, and/or temperatu[r] ... See full document

... with the allocation criterion "unit of cultivated area" (ha year-1) observed reduction in “Global Warming Potential”, “Acidification”, and “Eco and Human Toxicity” ...impacts in ... See full document

... (60–70%) of the coastline in the tropical and subtropical regions of ...Earth. In the Americas, they cover approximately ...at the interface between oceanic and ... See full document

... physiology in other than the specif­ ically designed effect, either through pleiotropic effects of the transgene (Grossi et ...effects of the transgenic protein, or changes ... See full document

... considered the main mechanism of herbicide degradation on the ground, although its contribution varies widely among products (Moreira & Siqueira ...2006). In general, ... See full document

... from the three soil horizons (Ap, BA and Bw1) were used to calculate sorption coefficients of metolachlor and diuron, which were determined in batch ...experiments. Soil samples were ... See full document

... during the period from September 2012 to May 2013, in an Ultisol soil with a loamy-clay-sandy ...texture. The experiment was carried out in a field at Diogo Alves de Melo (lat ... See full document

... The herbicide 2,4-D was chosen as a model acidic pesticide, which can exist in molecular and anionic forms in ...predominately in anionic form in the pH range comxnon to ... See full document