02142nam a2200481 a 450000100080000000500110000800800410001910000200006024501280008026001570020830000090036550000450037452006480041965000190106765000190108665000220110565000180112765000130114565000090115865000240116765000260119165000180121765000250123565000260126065000190128665000130130565000090131865300090132765300240133665300240136065300240138465300340140865300260144265300310146865300190149965300210151865300180153965300190155765300190157670000200159570000250161570000200164020550972023-11-16 2016 bl uuuu u00u1 u #d1 aCOSTA, F. de S. aModeling nitrous oxide emissions in grass and grass-legume pastures in the western Brazilian Amazon.h[electronic resource] aIn: SIMPÓSIO INTERNACIONAL SOBRE GASES DE EFEITO ESTUFA NA AGROPECUÁRIA, 2. 2016, Campo Grande, MS. Anais... Campo Grande: Embrapa Gado de Cortec2016 a3 p. aCoordenação: Roberto Giolo de Almeida. aMineral nitrogen (N) dynamics in soil and the exchange of N gaseous in the interface soil-atmosphere are intimately associated with animal manure in pastures. According to soil inorganic-N pools and the site studied, forest or pasture, and pastures age the soil inorganic-N pools of ammonium and nitrate can be similar in the forest or ammonium dominated in the pasture. Also annual average net nitrification rates at soil surface in forest can be higher than in pasture suggesting a higher potential for nitrate-N losses either through leaching or gaseous emissions from intact forests compared with established pastures (NEILL et al., 1995). aForage grasses aForage legumes aGreenhouse effect aNitrous oxide aPastures aSoil aUrochloa humidicola aBrachiaria Humidicola aEfeito Estufa aGramínea Forrageira aLeguminosa Forrageira aNitrificação aPastagem aSolo aAcre aAmazonia Occidental aAmazônia Ocidental aAmendoim forrageiro aArachis pintoi cv BRS Mandobi aCacahuetes forrajeros aEmissão de óxido nitroso aEsterco animal aFazenda Guaxupé aForage peanut aÓxido nitroso aWestern Amazon1 aSALES, M. F. L.1 aFREITAS, A. C. R. de1 aSOUZA, C. P. de