00557nam a2200193 a 450000100080000000500110000800800410001910000180006024500830007826000380016130000100019950000580020965000230026765000160029065000090030665000120031565000100032765000260033710017502014-02-22       1991    bl uuuu     u00u1 u    #d1 aBEVERLY, R.B.  aA practical guide to the diagnosis and recommendation integrated system (DRIS)  aGE (USA): Micro-Macro Publ.c1991  a87 p.  aDonación Dr. Douglas Sanders (INIA Las Brujas, 2007)  aANALISIS DEL SUELO  aDIAGNOSTICO  aDRIS  aMETODOS  aSUELO  aTECNICAS DE DIAGNOSIS