2007-4018 2007-4018 S2007-40182018000100091 10.5154/r.rchscfa.2017.03.024 Paraguay Spain 00 04 2018 00 04 2018 24 1 91 100

2008 2008 1992 76 630-2 1995 1983 2 81-90 Instituto Interamericano de Cooperación para la Agricultura 2007 2006 2008 5ª 2008 95 2 2 175-84 1969 2006 1992 2012 63 3 3 541-9 1999 2006 28 3 3 477-80 2012 11 1-2 1-2 21-30 2008 4 2 2 44-52 1990 24 1-14 1990 1966 262 8 8 856-9