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21 items found (Showing 1 - 10)
  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 Trees can be an effective source of mulch in drylands.  
  5. 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.  
  6. 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.  
  7. 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.  
  8. 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...