Improvement of low fertility soils (oxisols) for high productivity and sustainability of crop-livestock systems in tropical savannas of Colombia

Amézquita Collazos, Edgar; Rao, Idupulapati Madhusudana; Barrios, Edmundo; Rondón, Marco Antonio; Ayarza, Miguel Angel; Hoyos Garcés, Phanor; Molina López, Diego Luis; Corrales, Irlanda Isabel. 2007. Improvement of low fertility soils (oxisols) for high productivity and sustainability of crop-livestock systems in tropical savannas of Colombia. Centro Internacional de Agricultura Tropical (CIAT), Cali, CO. 1 p.