00917naa a2200229 a 450000100080000000500110000800800410001910000220006024500830008226000090016552002610017465000200043565000210045565000150047665000320049165000210052365000190054465300260056370000220058970000230061177300530063415787582022-04-19 2009 bl uuuu u00u1 u #d1 aRAMALHO FILHO, A. aLand degradation and the zero-tillage system in Brazil.h[electronic resource] c2009 aThis paper aims to show the major issues and effective measures taken in Brazil, in relation to sustainable land management. Specifically, the principles, implementation and benefits of zero tillage (ZT) systems in many areas of Brazil will be highlighted. aDesertification aLand degradation aNo-tillage aSustainable land management aDesertificação aPlantio Direto aDegradação da terra1 aFREITAS, P. L. de1 aCLAESSEN, M. E. C. tAdvances in GeoEcologygv. 40, p. 311-324, 2009.