The current concern with the total quality in the coffee growing, it has been taking the producers adapt their production systems in agreement with the norms of the certifying enterprises and with the new demands of the ...

In the intention of evaluating the composting as alternative of treatment and recycle the residues generated by broiler chicken, as well as minimizing the losses of the fraction nitrogen during the ...

The correct sampling is prime for obtaining significant biological data for study of agricultural and forestalls ecosystems. The present study had as objective the evaluation of samples number and diagram pattern for ...

In order to evaluate the concentration and removal of organic matter in domestic wastewater, an experiment was developed using the overland flow method for different application rates: 0.24, 0.36 and 0.48 m 3 h-1 ...

Tends in view the production of notables volumes of waste originating from of farm pig section in the last decades, handling techniques were developed, for such residues, capable of they minimize the environmental impact ...

The objective of this work was to characterize the sludge from upflow anaerobic sludge blanket reactors (UASB) in two stages with volumes of 908 L and 188 L, first and second reactors, respectively, treating swine ...

The intensive system of animal production proportion the creation of great amounts of wastes. The application of the rude manure in the soil can cause environmental problems, as smell, pollution of surface ...

The concentration of total and volatile solids of the wastewater from two intensive pig productions in growth and termination phases was evaluated. The ST varied from 1.7 to 3.9% and SV from 85.7 to 84.8% of ST. The ...

The manioc leafs constitute a residue generated in the harvest of manioc roots with optimum nutritional characteristics. Currently, the interest by vegetal protein occurs from its natural abundance that in agronomic ...

The objective of that work was to know the characteristics abiotic of the passage of the river São Francisco Verdadeiro that it will allow the characterization of the analyzed segments. Each area presents a differentiated ...