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  1. Key Resource 1989-01-01 This Agrodok discusses green manuring and several other forms of soil improvement in the tropics. In particular, we shall pay attention to plants that can fix atmospheric nitrogen: the legumes. Due to this capacity these plants do not require nitrogen fertilization, which makes them very suitable...
  2. 2008-04-21 This book is an important work for tropical agriculture. There are very few resources that are truly "organic" and practical for the everyday farmer in the tropical setting. This book covers material that is extremely useful for the day-to-day operation of a farm or garden. It contains planning...
  3. 2005-01-01 In spite of the title, we have been told by experienced orchid growers in the U.S. that this little handbook is useful for growing orchids indoors anywhere in the world. It is beautifully illustrated and full of practical information on orchid culture and propagation.