0377-9424

0377-9424

S0377-94242016000100065

10.15517/rac.v40i1.25331

Costa Rica

00 06 2016

00 06 2016

40 1 65 74

2006

ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS 1990 15 ed

1008

2003 1 ed

69

2012 67

177-98

2000 6

39-74

2014 69

140-52

2004 87

2987-96

2010

1978

276

INSTITUTO METEOROLÓGICO NACIONAL (IMN) 2015

3 p

2005 98

106-13

2004

34

2008 119

1-11

2012 67

119-28

1962 13

395-400

2002 74

113-24

NATIONAL RESEARCH COUNCIL (NRC) 2001 7th rev. Ed

381

2007 30

1086-106

2000 83

2295-300

1985

165

2012 36

25-37

2015 9 2 2

27-48

2010 34 1 1

43-52

2009 33

147-53