00364naa a2200109 a 450000100080000000500110000800800410001910000120006024501030007226000090017577300700018418380102010-01-10       1984    bl ---       0--  u    #d1 aLAL, R.  aMechanized tillage systems effects on soil erosion from on alfisol in watershids cropped to maize.  c1984  tSoil & Tillage Research, Amsterdamgv. 4, n. 4, p. 349-360, 1984.