[Results of the technological confrontation between the needs of the producers and the available supply; CRECED Province of the Rio 1990-1994]

agriculteur agricultores aves de corral bovin cattle cerdo colombia colombie farmers feed grasses ganado bovino gossypium hirsutum manihot esculenta nicotiana tabacum ovin ovinos porcin poultry sesamum indicum sheep sorghum bicolor swine technologie technology tecnologia volaille zea mays