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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, Central America, South America

    Some cultural control measures of weeds in cassava are discussed: quality of the material, planting system and density, density x plant type interaction and use of mulching. In order to study the interaction plant type x planting density, var. M Mex 59 (vigorous) and M Col 22 (nonvigorous) were planted in plots of 7500 and 15,000 plants/ha; and 3 levels of weed control were established: complete, intermediate and no control. The vigorous var.

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

    Multiple cropping, sequential cropping, intercropping, mixed intercropping, intercropping in rows, in strips, relayed intercropping, cropping patterns, monoculture, crop rotation and land equivalent ratio are defined. The characteristics of multiple cropping and intercropping with beans are discussed; for the latter problems of competence are discussed (light, CO2, water and nutrients). Some cultural practices are recommended for cassava/bean intercropping: soil and fertilization type, water availability, propagation material, and weed, pest and disease control.

  4. Library Resource
    Regulations
    July, 1979
    Ecuador

    El presente Acuerdo, mediante el Artículo 5º, establece el Parque Nacional Yasuní (PNY) y determina sus límites y coordenadas geográficas.

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

    En la Estacion Experimental "Quilichao", del Centro Internacional de Agricultura Tropical (CIAT), depto. del Cauca, Colombia, se realizo un ensayo para evaluar el valor nutritivo y el consumo selectivo de Desmodium ovalifolium CIAT 350. Se usaron ovinos machos enteros de la raza Africanos, con un peso metabolico (P0.75) entre 7.89-9.77, a los cuales se suministro forraje fresco de D. ovalifolium a niveles de 30.245 g de MS/P(0.75) y de 5 edades de corte: 50, 80, 100, 125 y 145 dias; el ultimo corte coincidio con el inicio de la estacion seca.

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

    This audiotutorial unit (cassette, printed script, 76 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 reccorder. Each unit is a vailabIe from the Distribution Office at a cost of US$ 50; photocopies of the study guide alone can be obtained from the Cassava Information Center. The objective of this unit is to present some of the results of research conducted by the physiology Section of CIATs Cassava Program.

  7. Library Resource
    Reports & Research
    December, 1979
    Colombia, Central America, South America

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