VA mycorrhiza management : a new, low cost, biological technology for crop and pasture production on infertile soils
Estudio de mercados para productos de la economía del pequeño productor de la microcuenca del río Cabuyal: informe final
RETA 5866: fourth agriculture and natural resources research at CGIAR centers: developing sustainable forage technologies for resource-poor upland farmers in Asia: Forages for Smallholders Project phase-II, six-monthly report, 1 January-31 June 2001
International Workshop Integrated Conceptual Framework for Tropical Agroecosystem Research Based on Complex Systems Theories: A CIAT/University of Guelph Project (1, 1997, Cali, Colombia). Proceedings
