Emissões de óxido nitroso e metano do solo em áreas de recuperação de pastagens na Amazônia Matogrossense.
- NOGUEIRA, A. K. da S.
- RODRIGUES, R. de A. R.
- CASTRO, B. S.
- NOGUEIRA, T. F.
- SILVA, J. J. N. da
- BEHLING, M.
- MOMBACH, M.
- ARMACOLO, N.
- SILVEIRA, J. G.
Publication date
April 2016
DOI Publisher
GN1 Genesis Network Journal
Química Nova Language
EnglishAbstract
This study evaluates the chemical processes responsible for the nitrous oxide (N2O) and methane (CH4) fluxes in the managed pasture (PM) and unmanaged pasture (PNM). In addition, the impact of nitrogen fertilization on the N2O and CH4 fluxes was assessed. The experiments were conducted on three farms in Alta Floresta city in the state of Mato Grosso. Both regular and intensive samples were collected from PM, PNM, and forest areas for each of the properties. The gases were sampled using static chambers in the morning. Higher N2O fluxes were recorded in the PMs, whereas the CH4 fluxes showed no influence of nitrogen fertilization in both regular and intensive samples. Low fertilizer levels resulted in low N2O emissions
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