Carbon and nitrogen dynamics in ageing earthworm casts in grasslands of the eastern plains of Colombia
Evolution of milk production systems in Tropical Latin America and its interrelationship with markets : An analysis of the Colombian case
AFLP fingerprinting : An efficient technique for detecting genetic variation of Xanthomonas axonopodis pv. manihotis
Genetic diversity in Colletotrichum gloeosporioides from Stylosanthes spp. at centers of origin and utilization
Evaluación bioeconómica de un sistema de producción de leche basado en el uso intensivo de gramíneas fertilizadas en el trópico húmedo de Costa Rica