1026-8774 1026-8774 S1026-87742020000200146 10.22201/cgeo.20072902e.2020.2.1539 Colombia Mexico Colombia Colombia 00 00 2020 00 00 2020 37 2 146 156

1985 2017 306 183-94 2016 155-66 Institut für Bodenforschung 2010 1-6 2011 53 76 76 179-85 2013 64 145-50 2015 61 47-54 1989 2017 31-51 1985 38 1 1 5-106 FAO 2009 1984 1-5 2004 1-14 2009 105-27 2003 2019 191 3 3 174 IGAC 2006 6th IUSS Working Group WRB 2015 2012 5 1 1 43-55 2018 18 1 1 94-108 2015 248 61-70 2017 180 2 2 153-64 2004 232 7-9 7-9 2018 77 8 8 317 2014 36-47 2012 114 1-2 1-2 108-23 2010 43 4 4 368-79 2004 2010 202 9-12 2013 Second 213-6 2008 67-108 2017 39 3 3 55-69 2017 50 4 4 373-86 2004 Bratislava 107-13 SSS 2014 Twelfth Edition 1998 2011 235 3-4 3-4 188-99 2018 2014 88 339 339 2016 16 11 11 2514-22