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  1. Key Resource
    2010-01-01 For many years, conventional Western forestry methods have been applied, and exotic tree species promoted in Sahelian countries in order to combat desertification. Large and small projects were commissioned to curtail the assumed southward movement of the Sahara desert, but few made any lasting...  
  2. Key Resource
    2019-03-21 This Technical Note provides an overview of parasitic plants of agricultural significance in Africa. Parasitic weeds cause drought stress and stunted crops. Affected plants include cereal grains (e.g., sorghum [Sorghum bicolor] and maize [Zea mays]) and grain legumes (e.g., cowpea [Vigna...  
  3. Key Resource Sustainable Agriculture covers a wide range of topics: soil and water conservation, using organic matter to sustain soil fertility, pest management, cropping systems, livestock management, and many others. For agriculture to be sustainable, it must take into account not only the physical...  

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