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  1. 01-09-2000 It is hoped that these booklets included in the notebook will be of some value to extension officers, engineers and others in the field of transfer of technology, to pass on this valuable information to the farmers and other vetiver users to encourage them to grow more vetiver for soil and water...
  2. 01-01-1963 256 pages, tables A study based on field survey data and on pertinent records, material, and reports
  3. 04-10-2015 This book is designed as a simple introduction to the more common food plants of Northern Thailand. 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...