TY - SER AU - Teixeira,L.G. AU - Lopes,A. AU - La Scala Junior,N. TI - Temporal variability of soil CO2 emission after conventional and reduced tillage described by an exponential decay in time model KW - ANALISE DO SOLO KW - CARBONO KW - QUIMICA DO SOLO KW - RESPIRACAO DO SOLO KW - EFEITO ESTUFA UR - http://www.scielo.br/pdf/eagri/v30n2/v30n2a04.pdf ER -