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Résultats de la recherche

Showing items 1 through 9 of 4.
  1. Library Resource
    Articles et Livres
    décembre, 1992
    Kenya

    This paper describes the environmental degradation that has occurred in Kenya since early this century, initially due to the introduction of plantation farming. Forests have been further targeted for farmland, fuel wood, building materials and hardwood species. Range land species have also become threatened due to continued infiltration of the population. The discussion considers the efforts of the Kenyan government to legislate and administrate against the further loss of natural resources and the consequent development of environmental awareness among the populace.

  2. Library Resource
    Articles et Livres
    mars, 2007
    Kenya

    Hedged agroforestry (AF) demonstration plots with maize/bean intercrops were studied at Matanya in
    Laikipia district, Kenya, between 1991 and 1995 inclusive, to understand crop yield behaviour due to
    selected soil moisture conservation methods applicable in semi-arid areas. The treatments were:
    Grevillea robusta trees root pruned, compared to unpruned, both in combination with (1) minimum
    tillage and mulching with 3t/ha maize stalks harvested from the plots with additional stalks collected

  3. Library Resource
    Articles et Livres
    décembre, 1996
    Kenya

    The area northwest of Mt Kenya is undergoing rapid land use changes caused by a population influx. Rapid population growth and subsequent pressure on land raise the problem of how to increase and sustain agricultural production while at the same time conserving the natural resources (montane forest with Olea africana and Juniperus procera as main species at 2900 m asl.). Deterioration in soil physical and chemical properties following deforestation for agriculture can adversely affect crop production, especially from soils on mountain slopes.

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