01105naa a2200229 a 450000100080000000500110000800800410001910000140006024501170007426000090019152004200020065000210062065000150064165000240065665300170068065300190069770000190071670000200073570000200075570000210077577300790079610297922006-04-11       2000    bl ---       0--  u    #d1 aBAYER, C.  aOrganic matter storage in a sandy clay loam Acrisol affected by tillage and cropping systems in southern Brazil.  c2000  aThis study aimed first to evaluate the long-term effect (9 years) of two soil-tillage systems (conventional tillage: CT, and no-tillage: NT) and two cropping systems (oat (Avena strigosa Schreb)/maize (Zea mays L.): O/M; and oat+common vetch (Vicia sativa L.)/ maize+cowpea (Vigna unguiculata (L.) Walp): O+V/M+C without N fertilization on total organic carbon (TOC) and total for acting as an atmospheric CO2 sink.  acropping systems  ano-tillage  asoil organic matter  aSoil tillage  aSustainability1 aMIELNICZUK, J.1 aAMADO, T. J. C.1 aMARTIN-NETO, L.1 aFERNANDES, S. V.  tSoil & Tillage Research, Amsterdamgv. 54, n. 1/2, p. 101-109, Marc. 2000.