00597nam a2200193 a 450000100080000000500110000800800410001902000180006010000120007824500460009026000390013630000100017552001430018565000160032865000130034465000090035765300220036665300150038810721472012-03-07       1987    bl uuuu      00u1 u    #d  a0-471-90815-01 aLAL, R.  aTropical ecology and physical edaphology.  aChichester:John WIley & Sonsc1987  a732p.  aTropical ecology;ecological factors and soil physical properties;man as an ecological  factor;towards improvement in tropical agriculture.  aAgricultura  aEcologia  aSolo  aecologia tropical  aedafologia