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4 items found (Showing 1 - 4)
  1. 2016-02-02 In this talk Boonsong presents two appropriate techniques for sustainable land use: foundations for farming (a method of conservation agriculture) and gasifier stoves (which help produce biochar that can be used as a soil amendment). Boonsong gives step-by-step principles and methods for each.  
  2. 2016-05-20  
  3. 2016-07-20 This book is designed as a simple introduction to the more common food plants of Vietnam. It is hoped people will take greater pride and interest in these plants and become confident and informed about how to grow and use them. Many of the local food plants that occur in every country are very...  
  4. 2016-12-20 This book is designed as a simple introduction to the more common food plants of Cambodia. It is hoped people will take greater pride and interest in these plants and become confident and informed about how to grow and use them. Many of the local food plants that occur in every country are very...  

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