Stabilization of confined beef cattle manure: characteristics of produced fertilizers

AUTOR(ES)

LORIN, HIGOR E. F., COSTA, MÔNICA S. S. DE M., COSTA, LUIZ A. DE M., PEREIRA, DERCIO C., CARNEIRO, LEOCIR J.

FONTE

Eng. Agríc.

DATA DE PUBLICAÇÃO

2016-10

RESUMO

ABSTRACT The growing demand for animal protein is directly related to the feedlot system of animals and their assumptions, such as the waste management. The characterization of the final products becomes an important factor in decision making by one or by other process. The objective was highlight characteristics that fertilizers present due to the used of stabilization process, by the principal component analysis. For the manure stabilization we realized three aerobic processes, composting, vermicomposting and natural decomposition, and one anaerobic, the anaerobic digestion. These processes produced the compost, the vermicompost, the decomposed manure and the biofertilizer. Fertilizers produced were analyzed by means of seventeen chemical and physic-chemical parameters. The main differences are related to stability and organic matter content. The compost is more stable fertilizer and decomposed manure is the worst. The vermicompost is presented as the best option to adsorb cadmium and lead. The biofertilizer has the lowest values of pH, CEC and adsorptive capacity of heavy metals (Cd and Pb). The decomposed manure in presence of precipitation, and the vermicompost, with significant irrigation, generates fertilizers with smaller source of potassium.

Documentos Relacionados

• Treatment of swine manure: case studies in European’s N-surplus areas
• Effect of Short-Chain Fatty Acids Extracted from Beef Cattle Manure on Germination and Seedling Development 1
• Partum and postpartum characteristics on the postpartum rebreeding in beef cattle
• Escherichia coli Contamination of Vegetables Grown in Soils Fertilized with Noncomposted Bovine Manure: Garden-Scale Studies
• Use of repellents for honeybees (Apis mellifera L.) in vitro in the yellow passion-fruit (Passiflora edulis Deg) crop and in confined beef cattle feeders