00792nam a2200265 a 450000100080000000500110000800800410001910000220006024500740008226000160015630000110017250000520018352001220023565000230035765000160038065000110039665000130040765000210042065000160044165000120045765000090046965000160047865300110049465300210050515161802018-08-28       1985    bl uuuu  m   00u1 u    #d1 aQUEIROZ, J. S. de  aThe Acarau valley in Notheast Brazilbvegetation, soils and land use.  a1985.c1985  a201 f.  aThesis (Ph. D.) - Utah State University, Logan.  aAgricultural and Complementary activities; Agricultural activities calendar; Complmentary activities; The study area.  aAgricultural soils  aAgriculture  aBrazil  aLand use  aRange management  aAgricultura  aCaprino  aSolo  aVegetação  aBrasil  aRegião Nordeste