00450nam a2200157 a 450000100080000000500110000800800410001924500740006026000470013430000090018149000130019065000230020365000250022665000170025165000240026810391582014-02-22       1988    bl uuuu     u00u1 u    #d  aRecomended chemical soil test procedures for the North Central Region  aFargo: North Dakota State Universityc1988  a37p.  aBulletin  aANALISIS DEL SUELO  aFERTILIDAD DEL SUELO  aPH DEL SUELO  aSALINIDAD DEL SUELO