0187-5779

S0187-57792019000400339

10.28940/terra.v37i4.487

Mexico

00 12 2019

37 4 339 349

2008 40 40

2174-7

2017 133 133

32-4

FAO (Food and Agriculture Organization of The United Nations) 2014

2003

2016 6 6

2008 38 38

269-310

2017 237 237

274-9

2017 143 143

47-138

ISRIC-FAO (International Soil Reference and Information Centre-Food and Agriculture Organization of the United Nations) 2002

2013 58 58

172-80

1961 10 10

112-1121

1964 14 14

11-6

2018 123 123

509-12

2000 32 32

1893-8

2018 18 18

806-23

2003 54 54

655-70

NOM-021-RECNAT-2000 (Norma Of icial Mexicana) 2002

2019 658 658

1559-73

2013 55 55

13-9

1973 3 3

47-50

1965

914-32

2012 95 95

285-90

2010 63 63

109-19

2014 107 107

145-62

2004 22 22

289-98

1994

2003 35 35

845-54

1972 4 4

115-7

2010 107 107

12652-7

2011 113 113

139-213

2014

1984 16 16

525-6

2019 333 333

149-62

244 244

1193-6

2019 662 662

501-10

2015 3 3

316-23

2014 17 17

113-21

2018 122 122

204-19

2018 122 122

220-36