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Showing items 1 through 9 of 20.
  1. Library Resource

    Proyecto sobre Estilos de Desarrollo y Medio Ambiente en América Latina

    Conference Papers & Reports
    December, 1979
    South America, Central America

    Seminario Regional sobre Estilos de Desarrollo y Medio Ambiente en América Latina

  2. Library Resource
    Journal Articles & Books
    December, 1979
    Colombia, South America, Central America

    This audiotutorial unit (cassette, printed script, 80 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 unitis available from the Distribution Office at a cost of US$50; photocopies of the study guide alone can be obtained from the Bean Information Center. Pests are one of the main factors limiting bean production. Of the 200 species of insects and mites, however, only a few cause losses of economic importance.

  3. Library Resource
    Journal Articles & Books
    December, 1979
    Colombia, South America, Central America

    This audiotutorial unit (cassette, printed script, 124 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 Distribution Office at a cost of US$$50; photocopies of the study guide alone can be obtained from the Bean Information Center.

  4. Library Resource
    Journal Articles & Books
    December, 1979

    La cuantificacion analitica de suelos y tejidos vegetales es un instrumento efectivo para interpretar la existencia de deficiencias o excesos de minerales. El uso adecuado de esta informacion influye significativamente en las recomendaciones de fertilizantes. Sin embargo, debe admitirse que existe conflicto en las fases de cuantificacion, interpretacion y recomendacion debido a la alta variabilidad existente en estas fases.

  5. Library Resource
    Conference Papers & Reports
    December, 1979
    Colombia, South America

    The low cassava yields obtained in L.A. at present are the result of a complex of problems: 1) deficient quality of planting material, which results in low sprouting, poor rooting and little initial vigor; 2) inadequate land preparation and planting systems; 3) control systems for pests and diseases are unknown and weed control, untimely; 4) some local var. have a low yield potential. The CIAT Cassava Program has developed a set of simple low-cost practices aimed towards increasing cassava yields.

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