Resultados de la búsqueda | Land Portal

Resultados de la búsqueda

Mostrando ítems 1 a 9 de 66.
  1. Library Resource
    Constitutición
    Diciembre, 1980
    Cabo Verde

    The President promulgated the constitution after being approved by the National Assembly.

  2. Library Resource
    Constitutición
    Diciembre, 1980
    Vanuatu

    The constitution was drafted by Constitutional Planning Committee and finalised by a constitutional conference. It was ratified by the British and French governments.

  3. Library Resource
    Artículos de revistas y libros
    Diciembre, 1980
    Suiza, Bélgica

    General principles of plant nutrition don't furnish the concrete information, necessary for practical treatments in a given situation. Thus, the questions arise which parameters must be considered an how can they be determined. This leads to consider the concepts of nutrients diagnosis, as well as the methodology and the corresponding equipment and instrumentation, for putting it into practice.

  4. Library Resource
    Artículos de revistas y libros
    Diciembre, 1980
    Indonesia, Estados Unidos de América, Filipinas, Uganda, China, Italia, Asia

    An international journal of forestry and forest industries

  5. Library Resource
    Artículos de revistas y libros
    Diciembre, 1980
    Benin, Nigeria, Zambia, Malí, Ghana, Congo, Sierra Leona, Níger, Colombia, Kenya, Liberia, Japón, Camerún, Chad, Senegal, Sudán, Togo, Côte d'Ivoire, África

    Policy makers as well as scientists have started to acquire an honest appreciation of the possibilities of reducing the wastage of materials which could be profitably utilized for improving or maintaining soil productivity. In addition, the great opportunities offered by making more efficient use of the potentials of biological nitrogen fixation in farming systems are now fully recognized. A number of recommendations and suggested guidelines were made by the various Working Groups during the two-week Workshop.

  6. Library Resource
    Artículos de revistas y libros
    Diciembre, 1980
    Bangladesh, Alemania, Perú, Indonesia, Bulgaria, Bolivia, Portugal, Myanmar, Rumania, Japón, Turquía, Uzbekistán, Italia, Brunei Darussalam, India, Bhután, Paraguay, México, Brasil, Grecia, Asia sudoriental

    Projections reveal that to sustain the likely world population in the year 2000, an increase of 60 percent in agricultural production will be required. "Is there sufficient land to meet these needs?" becomes the overriding question. However, little precise information exists on which to base a reliable answer. Previous appraisals of the global extents of arable lands, to support present and future human populations, vary from 3 to 7 thousand million hectares. Estimates of the populations these lands can support, vary from 7.5 to 40 thousand million.

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