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5 items found (Showing 1 - 5)
  1. Key Resource 2010-01-01 Farming communities in the semi-arid tropical regions of Africa are becoming particularly vulnerable and face enormous challenges for their survival. Climate change, diminishing and unreliable rainfall, traditional mono culture cropping farming practices, high population growth, frequent famines...  
  2. 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...  
  3. 2010-04-01 Faidherbia albida exhibits reverse leaf phenology, losing its leaves at the beginning of the rainy season just as farmers want full sun for their crops. While most other species flower before or during the rains, the apple ring acacia flowers and leafs out at the end of the rainy season providing...  
  4. 2010-01-20 Important Trees of Haiti byJoel Timyan, a 418-page book, is now available on the Internet at the USAID Development Experience Clearinghouse (DEC). An electronic PDF copy of the book can be accessed by clicking on the link pdf.usaid.gov/pdf_docs/PNACA072.pdf  

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