00632naa a2200193 a 450000100080000000500110000800800410001902400250006010000180008524501460010326000090024965000290025865000190028765000090030670000140031570000190032970000180034877300720036615804632011-12-12       2009    bl uuuu     u00u1 u    #d7 a10.1071/SR082732DOI1 aVIEIRA, F. C.  aOrganic matter kept Al toxicity low in a subtropical no-tillage soil under long-term (21-year) legume-based crop systems and N fertilisation.  c2009  aFixação de Nitrogênio  aPlantio Direto  aSolo1 aBAYER, C.1 aZANATTA, J. A.1 aERNANI, P. R.  tAustralian Journal of Soil Researchgv. 47, n. 7, p. 707-417, 2009.