0377-9424 0377-9424 S0377-94242018000200127 10.15517/rac.v42i2.33784 Colombia 00 12 2018 00 12 2018 42 2 127 140

2017 XXX 1-6 2007 168 2009 29 388-94 2016 72 47-55 2012 15 1-18 2007 36 70-82 Federación Nacional de Cultivadores de Cereales y Leguminosas 2016 2017 292 49-58 2013 16 1 1 87-96 2012 2 57-62 Saifullah 2015 67 121-9 2012 189-190 72-80 2014 1 2 2 191-203 2013 2007 352 2009 80 2013 107 2001 18 2 2 73-89 2010 31 289-93 Nirwana 2016 9 20-5 2008 99 1758-67 2010 141-211 2014 13 1772-81 2017 214 273-82 2012 132 185-95 2005 1 9-20