0122-8706 0122-8706 S0122-87062020000300017 10.21930/rcta.vol21_num3_art:1050 Colombia Colombia Colombia Colombia Colombia Colombia Colombia Colombia Colombia Colombia Colombia 00 12 2020 00 12 2020 21 3

2009 2 4 4 24-42 1994 2010 11 11 11 1-17 2012 10 1 1 129-44 1998 36 1 1 50-60 2007 2012 16 1 1 125-42 1994 2015 34 3 3 13-28 2005 58 83-102 2007 4 7 7 2016 9 17 17 2-24 2005 10th ed. Corporación Colombiana de Investigación Agropecuaria 2015 2006 47 1 1 90-9 2000 2nd ed. 1-29 Departamento Administrativo Nacional de Estadística 2016 1999 40 4 4 38-46 2007 5th ed. 2005 43 1 1 1984 23 1 1 10-9 2011 47 10 10 1529-44 2002 53 109-32 2016 19 1 1 19-26 1988 78 7 7 674-81 2012 57 137-60 2011 22 1 1 11-23 1992 11 1 1 137-55 2010 25 1 1 37-59 2001 19 4 4 393-8 2008 1 2 2 23-34 2006 2 4 4 1-16 2010 13 45-9 1975 1979 36 4 4 234-6 2009 13 45 45 317-29 2000 70 2 2 151-79 2001 39 3 3 2014 16 1 1 135-51 1992 30 3 3 2010 34 2 2 183-201 2010 2 2 2 4087-91 2008 46 4 4 2003 9 4 4 151-64 1998 5 1 1 39-51 1980 2005 6th ed. 1984 2005 2002 41 4 4 212-8 2004 30 3 3 411-33 2008 1 2 2 2-22 2005 4th ed. Congreso de Colombia 2017 2006 2006, March 6-8 Beechworth, Australia 2014 2009 33 2 2 153-70 2016 143 205-16 2010 15 45 45 391-421 2006 4 Especial Especial 158-60 2013 64 79-105 1980 30 4 4 233-44 2006 2nd ed. 2010 10th ed. 2003 2nd ed. 2012 1994 32 2 2 2010 2011 2nd ed. 2017 2015 64 4 4 321-9 2016 17 1 1 31-42 2016 9 17 17 174-205 2007 1993 31 2 2 2008 4th ed. 2006 38 2 2 1-10 2013 11 1 1 50-8 2000 25 1 1 54-67 2008 2014 38 38 231-51 2006 11 28 28 333-7 2008 13 38 38 681-712 2007 23 2 2 170-82 2013 18 57 57 585-98 2010 48 3 3 2005 17 3 3 404-11 American Association for Agricultural Education 2000 338-50 1996 1 2 2 283-313 2011 33 142-54 1973