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  1. Key Resource 2012-11-14 The UNCCD estimates that over 250 million people are affected by land degradation, and about 1 billion people in over 100 countries are at risk. According to the WMO, 33% of the world’s land surface is vulnerable to land degradation.Degraded lands lead to overall reduced productivity and reduced...
  2. 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...
  3. 2000-01-01 The Square Foot Gardening Foundation has a brand new program aimed at developing countries. It's a self-help, grass roots operation that trains others how to have a very productive garden in a very small space.
  4. 1998-01-01 This publication contains information about organic potting soil, and also provides information on how to make 17 different mixes.