0187-5779

S0187-57792017000400329

Mexico

00 12 2017

35 4 329 341

1979 24 24

43-69

2001

PA, USA

1989 47 47

273-89

1970 96 96

465-78

1994

1979 105 105

375‑389

1993 119 119

334-445

1995 25 25

333-52

2000 81 81

125-36

2011 29 29

287‑298

1999 4 4

257-264.

2005 19 19

37-62

2006 4 4

245-53

1949

1967

2002

NRCS-USDA (Natural Resources Conservation Service-United States Department of Agriculture) 2004

2009 43 43

521-8

2013 4 4

85-97

1996

SCS-USDA (Soil Conservation Service-United States Department of Agriculture) 1972

SCS-USDA (Soil Conservation Service-United States Department of Agriculture) 1986

1990

1965 10 10

74-85