1405-3322 1405-3322 S1405-33222019000200519 10.18268/bsgm2019v71n2a17 Mexico Mexico Mexico Mexico 00 00 2019 00 00 2019 71 2 519 541

2007 40 5 5 471-7 2013 340 6130 6130 261-2 1960 203 130-48 1986 6 13-32 1991 326 1985 152 2003 29 5-29 2005 3-40 2008 287-308 2009 23 1 1 14 2015 57 2 2 213-64 2012 39 2934-44 2014 65 455-69 2015 365 135-49 2016 418 147-64 1996 127 728-38 2009 23 1 1 12 2009 23 1 1 1-3 1995 1982 59 404-19 1995 22 1341-3 1960 16 159-95 2008 457 2002 2011 77 1 1 33-58 2005 6-11 1998 141 253-75 2001 47 7-75 2003 20 3 3 270-82 2007 1960 7 317-27 1985 111-72 1988 472 2001 520 2016 76 2013 28 249-67 1966 2010 720 2004 21 1 1 1-8 USDA 2004 1990 134-65 2005 212 2007 2018 66-97 2011 2014 97 World reference base for soil resources 2006 1998 133 201-6