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Mostrando ítems 1 a 9 de 4.
  1. Library Resource
    Artículos de revistas y libros
    Diciembre, 1989
    Etiopía, África, África oriental

    Investigates the effects of improved surface drainage on the productivity of Vertisols in a wheat-and-chickpea cropping trial conducted in 1987 at ILCA;s Debre Zeit research site in the Ethiopian highlands. Chickpea plots were subjected to four irrigation treatments, viz, no irrigation, irrigation at planting, 35 days and 70 days after planting. The trial showed that with a starter irrigation to aid the germination of a second crop, sequential cropping of two crops in the same growing season is feasible in the Debre Zeit.

  2. Library Resource
    Documentos de conferencias e informes
    Diciembre, 1989
    Etiopía, África, África oriental

    Reviews the extent and use of crop residues as livestock feeds in Ethiopia with special emphasis to wheat with respect to varietal difference and agronomic practices to enhance the utilisation of the straw. Lists area and yield of major crops in Ethiopia. Presents data on yield & chemical composition of various crop residues, weight gains of steers fed crop residue, and effect of N fertilization on grain yield and quality & quantity of wheat straw. Also summarises results of an undersowing trials of forage crops to wheat.

  3. Library Resource
    Informes e investigaciones
    Diciembre, 1989
    Zimbabwe, África, África austral

    Throughout Africa the importance of land use issues in relation to tsetse control planning has been emphasized consistently in the tsetse literature. Because of inappropriate land use, concerns for the environment in tsetse-freed areas have been expressed frequently. This debate is very relevant to Zimbabwe, where extensive tsetse control operations in recent years have confined the remaining area of tsetse infestation to parts of the Zambezi valley, a semi-arid region of the country with a fragile eco-system and limited agricultural potential.

  4. Library Resource
    Legislación
    Enero, 1989
    Zambia

    This Act makes provision principally for the legal status and administration of estates of deceased persons leaving property in Zambia.This contains rules relative to the making, registering and execution of wills, provides for the administration of property included in a testament and provides for court proceedings regarding testate estates. Wills may be placed in custody with the High Court. The Act sets out procedures of administration and prohibits any interfering with property of deceased by any person who is not authorized to do so.

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