This audiotutorial unit (cassette, printed script, 70 color slides, study guide, self-evaluation test), prepared by the Communications Support Unit at CIAT, is available for use with a manually or automatically synchronized slide projector/cassette tape recorder. Each unit is available from the…

A description is given of the different factors limiting to bean production in Latin America, type of damage caused, environmental conditions where they prevail, and possible control measures. With regard to diseases, the following are discussed: aphid-, whitefly- and beetle-transmitted viruses…

Se discuten varios conceptos relativos al mejoramiento de leguminosas forrajeras y a su adaptacion a suelos acidos de baja fertilidad. Se observa que es raro que un ecotipo nativo selecionado ofrezca todas las caracteristicas requeridas para praderas de pastoreo. Los objetivos del mejoramiento…

This audiotutorial unit (cassette, printed script, 139 color slides, study guide, self-evaluation test), prepared by the Communications Support Unit at CIAT, is available for use with a manually or automatically synchronized slide projector/cassette tape recorder. Each unit is available from the…

This audiotutorial unit (cassette, printed script, 93 color slides, Study guide, self-evaluation test), prepared by the Communications Support Unit at CIAT, is available for use with a manually or automatically synchronized slide projector/cassette tape recorder. Each unit is available from the…

Se pretende ofrecer a funcionarios de las oficinas de planificacion nacional de America Latina, la posibilidad de orientarse en estudios de poblacion y desarrollo relevantes para la planificacion regional y urbana, en particular en relacion a la distribucion espacial de la poblacion. Se planean…