00780nam a2200181 a 450000100080000000500110000800800410001902000180006010000810007824501470015925000100030626000370031630000100035349000630036352001240042665300270055065300210057710167422003-08-12       1985    bl uuuu      00u1 u    #d  a0-932865-00-31 aU.S. Department of Agriculture. Agency for International Development. (Org.)  aKeys to soil taxonomybalfisols, aridisols, entisols, histosols, inceptisols, mollisols, oxisols, spodosols, ultisols, vertisols, soil family.  a2.ed.  aIthaca: Cornell Universityc1985  a244p.  a(Soil Management Support Services. Technical monograph, 6)  aSolos minerais e orgânicos, diferenças entre as famílias de solos e edemtofocação da classe taxonômica dos solos.  aSolo - Classificação  aSolo - Taxonomia