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  1. In every region of the world it is necessary to find or develop appropriate techniques for agriculture. A large part of the surface of the world is arid, characterized as too dry for conventional rain fed agriculture. Yet, millions of people live in such regions, and if current trends in...  
  2. Key Resource 1992-01-20 In simplest language, agroforestry is the production of trees and of non-tree crops or animals on the same piece of land. The crops can be grown together at the same time, can be grown in rotation, or can even be grown in separate plots when materials from one are used to benefit another....  
  3. 1998-12-19 Certain seeds have been shown to respond to smoke before they will germinate, even when there is no fire.  
  4. 1998-12-19 A common prescription for improving nutrition, especially among children, is to promote the addition to people’s diet of dark green leafy vegetables, grown in home gardens. A tremendous variety of native tropical leaf vegetables are delicious and easy to grow, providing a regular source of...  
  5. 1998-12-19 Trees can be an effective source of mulch in drylands.  
  6. 1999-03-19 Papaya seeds are part of traditional Ethiopian medicine for stomach worms.  
  7. 1999-10-19 Many tree species can be used for growing vanilla orchid. Actually, wooden or wire trellises can be used, too, as long as there is some protection from the sun.  
  8. 1999-10-19 Women who are or might be pregnant should probably not use the seed for medicinal purposes.”  
  9. 1999-10-19 Due to worries about drug-resistant strains of the malaria parasite, patients with malaria should be treated with a two-drug combination.  
  10. Key Resource 2001-01-01 Access to clean drinking water remains one of the greatest challenges in the world. The BioSand Filter is one method that can be used for purifying water at the household level. With this filter, contaminated water is filtered through a natural biological layer and then layers of sand, pebbles...