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195 items found (Showing 1 - 10)
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  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. Key Resource
    2009-01-20 All plants need certain mineral elements for proper growth, development, and maintenance. The basic structure of all organisms is built of carbon (C), oxygen (O) and hydrogen (H). Plants obtain these elements from water (H2O) in the soil and carbon dioxide (CO2) in the air, so no input is...  
  4. Key Resource 2016-08-17 Farmers and gardeners in semi-arid and arid regions of the world face two associated but separate problems, which limit the crops they can grow and the yield of these crops. The underlying problem is lack of rainfall needed for growing plants. The second is accumulation of salts in the root zone....  
  5. 1995-04-01 This guide provides information on HIV/AIDS resources in Burkina Faso, Chad, Ethiopia, Ghana, Kenya, Mauritania, Mali, Niger, Senegal, Sudan, Tanzania, Uganda. It was published to help people across Africa's drylands to find out who can offer assistance in community-based initiatives on HIV/AIDS....  
  6. Key Resource 2005-12-30 A respected international economic advisor and the director of The Earth Institute shares a wide-spectrum theory about how to enable economic success throughout the world, identifying the different categories into which various nations fall in today's economy while posing solutions to top...  
  7. Key Resource 1998-10-01 Third Edition [library also has 2 copies of the 1975edition] People interested in tropical gardening or botany will find this an indispensable guide to several hundred species of plants with edible leaves. Leaves can provide high-quality food, and in the tropics, many are from perennials...  
  8. The Niger River Basin, home to 100 million people, is a vital yet complex asset for West and Central Africa. It is the continent's third largest river basin, traversing nine countries―Benin, Burkina Faso, Cameroon, Chad, Cote d'Ivoire, Guinea, Mali, Niger, and Nigeria. The River embodies both...  
  9. 2014-03-20  
  10. Key Resource 1974-01-11 In the tropical and subtropical areas of the world, food grains make up the bulk of the diet for most people. Food grains together with fiber and specialty crops are also principal cash producers. It is with these commodities that this Guide for Field Crops in the Tropics and Subtropics concerns...