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  1. 2007-04-20 In observation trials, each variety is grown in only one plot of ground. Observations from such trials are not as conclusive as with replication. As long as site conditions are fairly uniform, however, they give the experimenter a pretty good idea of likely “losers” and “winners.”  
  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. 2007-10-20 Winged bean (Psophocarpus tetragonolobus), an amazingly productive and multi-purpose legume, grows as a vine typically staked on 1.5 to 2 m (5 to 6.5 ft) poles or trellises. Likely originating in the Asian tropics, it thrives in hot, humid areas and grows at elevations up to 2000 m (6562 ft).  
  4. 2008-04-20 Stick small seed crops to a piece of newspaper with white wood glue. You can do this in a strip or on little pieces. Then you take this and stick it into a little slot in the soil. It works great. The glue dissolves and seeds germinate.  
  5. 2008-04-20 We were privileged to have Dr. James Brewbaker as a speaker at our annual conference in November 2007. As a plant breeder at the University of Hawaii, Dr. Brewbaker has devoted many years of scholarly research to the leucaena tree and to sweet corn. He has always had a strong interest in ways...  
  6. 2008-04-20 The technique described in this article is very practical and applicable in certain situations. For example, it is becoming very useful for us here in Gamboula, Central African Republic (CAR), to produce planting material to distribute to our agroforestry cooperatives. It would also be helpful as...  
  7. 2008-07-20 Thisagroforestry technique has been widely promoted in agriculture development programs throughout the tropics. Alley cropping (AC) is the practice of growing food crops in alleys between hedgerows of trees or shrubs, which are regularly coppiced (severely pruned). Prunings are placed on the soil...  
  8. 2008-07-20 Descriptions of several crops that are adapted to difficult situations.  
  9. 2008-10-20 Faba bean is one of the oldest dual-use food and fodder species. The beans are rich in minerals (calcium, phosphorus) and vitamins. Containing approximately 26% protein, 2% fat, and 50% carbohydrate, faba bean is considered in some regions to be superior to field peas or other legumes as a human...  
  10. 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