00621nam a2200217 a 450000100080000000500110000800800410001910000150006024500400007526000270011530000100014252000970015265000240024965000160027365000110028965000220030065000160032265000260033865300260036465300130039011612392018-08-13       1976    bl uuuu     u0uu1 u    #d1 aLIU, W. T.  aRunoff farming in Northeast Brazil.  aPetrolina, 1976.c1976  a11 p.  aTo explore the possibility of developing runoff agruiculture in arid lands northeast Brazil.  aAgricultural runoff  aAgriculture  aRunoff  aRunoff irrigation  aAgricultura  aSistema de Produção  aCultivo de escoamento  aNordeste