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SARDÁ, L. G.; HIGARASHI, M. M.; NICOLOSO, R. da S.; FALKOSKI, C.; RIBEIRO, S. M. S.; SOARES, H. M.. |
use of additives (Mg/P and nitrification inhibitor dicyandiamide - DCD), on nitrous oxide emission during swine slurry composting. The experiment was run in duplicate; the gas was monitored for 30 days in different treatments (control, DCD, Mg/P and DCD + Mg/P). Nitrous oxide emissions rate (mg of N2O-N.day-1) and the accumulated emissions were calculated to compare the treatments. Results has shown that emissions of N-N2O were reduced by approximately 70, 46 and 96% through the additions of DCD, MgCl2.6H2O + H3PO4 and both additives, respectively, compared to the control. Keywords Composting; swine slurry; additives; nitrous |
Tipo: Artigo em anais de congresso (ALICE) |
Palavras-chave: Composting; Swine slurry; Additives; Nitrous oxide. |
Ano: 2015 |
URL: http://www.alice.cnptia.embrapa.br/handle/doc/1045570 |
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SARDÁ, L. G.; HIGARASHI, M. M.; OLIVEIRA, P. A. V. de; COMIN, J. J.. |
Abstract Purpose Adoption of co-composting to treat swine slurry can reduce risks of pollution and produce organic fertilizer. Wood shavings and sawdust are the usual bulking agents used in such treatments, however planted forest is a feedstock source of slow renewability rate. Thus, the prospection of alternative biomass feedstock in regions of high animal density, may enable the pig slurry co-composting. Therefore, this manuscript describes a case study carried in Southern Brazil, region that houses 56% of Country?s swine herd, and where ryegrass is a common winter cover crop. Methods A study was conducted to evaluate the efect of increasing shares of ryegrass straw in the bulking agent of swine slurry co-composting, as follow: wood shaving (W), ryegrass... |
Tipo: Artigo em periódico indexado (ALICE) |
Palavras-chave: Tratamento de efluentes; Substratos; Substrates; Pecuária; Impacto Ambiental; Adubo; Compostagem; Dejeto; Suíno; Environmental impact; Wastewater treatment; Composts. |
Ano: 2019 |
URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1113920 |
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