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18 items found (Showing 11 - 18)
  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. 2007-10-20 Overstory Issue 188 (about accelerated natural regeneration, or ANR) included information about weeding in forests. Here we share an excerpt on reducing competition with weeds.  
  3. 2004-07-01 Alley cropping was not intended to be a way to increase yields/acre. The purpose was to shorten or eliminate fallow periods.  
  4. 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.  
  5. 1999-03-19 Three programs in Honduras have been looking for ways that poor hillside farmers can capture rainwater in their own fields and hold it there for two or three months. This water could then be used for supplemental irrigation during droughts or for extending the cropping season into the dry season....  
  6. 1998-12-19 Certain seeds have been shown to respond to smoke before they will germinate, even when there is no fire.  
  7. 1998-12-19 Trees can be an effective source of mulch in drylands.  
  8. 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....  

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