Effect of fertilization on the yield and nutritive value of tropical forages on an ultisol in Colombia
Seleccion de cepas de rizobios en suelos promisorios para el cultivo de la soya (Glycine max (L) Merril) en Colombia
Oxisoles y ultisoles de Colombia y Latinoamerica: Caracteristicas diagnosticas implicadas en su uso y manejo
Testing new accessions of guinea grass (Panicum maximum) for acid soils and resistance to spittlebug (Aeneolamia reducta )
Relative oviposition rates of the cassava hornworm, Erinnyis ello (Lep.: Sphingidae), and accompanying parasitism by Telenomus sphingis (Hym.: Scelionidae), on upper and lower leaf surfaces of cassava
Effect of a Colombian isolate of bean southern mosaic virus on selected yield components of Phaseolus vulgaris
Computer experimentation with an energy-based simulation model of animal production in the eastern savannas of Colombia