00775nam a2200241 a 450000100080000000500110000800800410001902000180006010000190007824500640009726000460016130000160020752001340022365000150035765000140037265000200038665000190040665000260042565000160045165300250046765300220049270000190051413908502007-11-14       1977    bl uuuu      00u1 u    #d  a0-7022-1303-91 aRUSSELL, J. S.  aSoil factors in crop production in a semi-arid environment.  aSt. Lucia: University of Queenslandc1977  a327 p.cil.  aProperties of semi-arid soils in Australia. Soil-plant mechanisms and models. Management and use of semi-arid soils in Australia.  aarid soils  aAustralia  asoil management  aManejo do Solo  aRelação Solo-Planta  aSolo Árido  aPlant soil relations  aRegiao semi-arida1 aGREACEN, E. L.