00951nam a2200157 a 450000100080000000500110000800800410001910000190006024501240007926002340020352002820043765000120071965000260073165000190075770000170077620222472016-01-28       2015    bl uuuu     u00u1 u    #d1 aMARTINS, A. L.  aTwenty years of cropping systems and their effects on soil aggregation in the Brazilian Cerrado.h[electronic resource]  aIn: WORLD CONGRESS ON INTEGRATED CROP-LIVESTOCK-FOREST SYSTEMS; INTERNATIONAL SYMPOSIUM ON INTEGRATED CROP-LIVESTOCK SYSTEMS, 3., 2015, Brasília, DF. Towards sustainable intensification: proceedings. Brasília, DF: Embrapac2015  aThe adoption of practices based on the conservation of soil and water may improve soil structural quality upon conversion of conventional tillage system to no-till. In this presentation, we report the results of 20 yr of cropping after this conversion in the Brazilian Cerrado.  aCerrado  aConservação do solo  aPlantio direto1 aANDRIOLI, I.