[PDF] Top 20 Impacts of sewage sludge in tropical soil: a case study in Brazil. - Portal Embrapa

... best sewage sludge disposal and the results above described, we recommend that the amount of sludge must be calculated based on the N crop needs and annual application must be avoided to ... See full document

... number of different organic products found in supermarkets, grocery stores and agricultural fairs was similiar, but lower when compared to organic farmers markets, as can be seen in Figure ... See full document

... ABSTRACT: Sludge applications have been used to maintain fertility of agricultural soils without damaging the natural ...aim of this study was evaluating the influence of ... See full document

... In Brazil, the development of cultivars of increasingly shorter cycles fostered the expansion of plantations of maize as second crop in succession to soybeans, and the ... See full document

... on sewage sludge (SS) have confirmed the possibilities of using this waste as fertilizer and/or soil conditioner in crop production ...levels of potentially toxic elements (PTE) ... See full document

... application of sewage sludge as a fertilizer on soils may cause compacted surface layers (surface sealing), which can promote changes on soil physical ...objective of this work was to ... See full document

... collected in the pres- ent study with those reported by Dias et ...The study sites for both sets of experiments have similar soil texture and classification, and were managed using the ... See full document

... application of sewage sludge (SS) in agriculture is a practice used worldwide, and it is commonly applied in sugarcane to supply nutrients, with beneficial effects on crop productivity ... See full document

... 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

... Sorption of metolachlor and diuron was evaluated in laboratory batch ...uncultivated soil in October ...dissipation in top soil. K oc of metolachlor varied from 179 to 264 ... See full document

... the soil microbiota, and not indicate meta- bolic ...2 in soil amended with sludge-derived materials was probably more due to increased microbial growth than to a stress response, as also ... See full document

... represented in fresh and dry weights Results of the effects of cultivation of the plants on desert soil amended with sewage sludge on the growth of the plants are ... See full document

... beginning of flower induction and six fruits were collected at maturity stage, in each plot, to determine the total contents of As, Ba, Cd, Pb, Cr, Ni, Cu and ...Zn. In leaves and fruits, ... See full document

... development of agricultural biotechnology is a complex pro- cess that involves the participation of public research institutions, uni- versities, biotechnology companies, corporations in the ... See full document

... application of biosolids to facilitate the aggregation of soil particles, with favorable effects on soil structure and the flocculation process due to the addition of both organic ... See full document

... use of microorganisms that are able to grow in culture medium are constrained to a limited number of organisms; under natural conditions of the soil, what is important is the sum ... See full document

... The sludge-borne metals are primarily found in solid, low-soluble forms (Candalaria & Chang, ...phases in the receiving soils. As the metals dissolve into the soil solution, they are ... See full document

... development of agricultural biotechnology is a complex process that involves the participation of public research institutions, universities, biotechnology companies, corporations in the agrochemi- ... See full document

... Region of Belém (PA), palm oil production: The increase in the demand for palm oil for biodiesel production is expected to bring a strong pressure for the expansion of cultivated areas and ... See full document

... translocation of metals in plants occur differently for each metal and culture (Wallace and Romney in Adriano 1986): - B, Mn, Ni and Zn in plants are usually distributed more or less uniformly ... See full document