TY - SER AU - Loss,A. AU - Pereira,M.G. AU - Perin,A. AU - Beutler,S.J. AU - Anjos,L.H.C.dos TI - Carbon, nitrogen and natural abundance of alpha 13C e alpha 15N of light-fraction organic matter under no-tillage and crop-livestock integration systems KW - PLANTIO DIRETO KW - CARBONO KW - NITROGÊNIO KW - MATÉRIA ORGÂNICA KW - SOLO KW - CERRADO ER -