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Showing items 1 through 9 of 4.
  1. Library Resource
    Journal Articles & Books
    December, 1992
    Qatar, Bangladesh, Nigeria, Israel, Zimbabwe, Sri Lanka, Indonesia, Bulgaria, Ghana, Somalia, Portugal, Kuwait, Chad, Mongolia, Iraq, China, Australia, Austria, Uruguay, Mozambique, Yemen, Albania, India

    En muchas partes del mundo la escasez cada vez mayor de agua y el mal uso de agua dulce plantea graves problemas al desarrollo sostenible. Como más de dos tercios del agua que se toma de los ríos, lagos y acuíferos de la tierra se destinan al riego, la agricultura se considera una válvula de seguridad del sistema. El capítulo especial de este año sobre política hídrica y agricultura analiza las repercusiones en las políticas de una mayor competencia, los conflictos, la escasez, el desperdicio, e l exceso de explotación y la degradación de los recursos hídricos.

  2. Library Resource
    Journal Articles & Books
    December, 1992
    Africa, Western Africa, Middle Africa

    This volume presents major results obtained since the publication of volume 1 and 2 and updates national data on trypanotolerant cattle. The first part analyses populations and their trends between the two surveys and reviews research activities and development activities. It also gives recent information available on the potential and utilisation of trypanotolerant livestock. Part two presents recent data for the 18 study countries, as well as for Equatorial Guinea which was not covered in volume 2.

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