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  1. Understanding the types of soil present in a location and how to work with the soil to maintain and improve its biological potential is essential to sustainable food production. Please note that the links listed below may lead to additional resourceswhich havenot yet been added tothis...  
  2. It is easy to say that all a farmer needs to do is add fertilizer and he would harvest enough to feed his family with some left over to sell. However, if he has no resources and has been unable to adequately feed his family he will not be worried about feeding both his and some neighbor’s family....
     
  3. 2018-10-31 This article is from ECHO Asia Note # 36. Soil chemical, physical, and biological properties range from those highly favorable to plant growth to those highly unfavorable to plant growth. It is rare—especially in the tropics—to find a soil in its natural state in which all properties are highly...  
  4. 2018-10-31 This article is from ECHO Asia Note # 36. Soil chemical, physical, and biological properties range from those highly favorable to plant growth to those highly unfavorable to plant growth. It is rare—especially in the tropics—to find a soil in its natural state in which all properties are highly...  
  5. Farmers and gardeners in semi-arid and arid regions of the world face two associated but separate problems, which limit the crops they can grow and the yield of these crops. The underlying problem is lack of rainfall needed for growing plants. The second is accumulation of salts in the root zone....  
  6. Key Resource 2009-01-20 All plants need certain mineral elements for proper growth, development, and maintenance. The basic structure of all organisms is built of carbon (C), oxygen (O) and hydrogen (H). Plants obtain these elements from water (H2O) in the soil and carbon dioxide (CO2) in the air, so no input is...  
  7. Key Resource 2002-01-01 Acidification of soil is a natural process with major ramifications on plant growth. As soils become more acid, particularly when the pH drops below 4.5, it becomes increasingly difficult to produce food crops. As soil pH declines, the supply of most plant nutrients decreases while aluminum and a...  
  8. Key Resource
    2016-09-28 Farmers in many parts of the world, because of human population growth, have little choice but to crop their land continuously, with scarce resources to replace nutrients withdrawn by each successive crop. Crop residues are often lost as a source of organic matter and mulch, usually through...  
  9. 2008-07-20 CHOfarm manager Danny Blank says that the principles in EDN 96 “revolutionized the way I look at the land and understand the impact agriculture practices have on the overall health of soils.”  
  10. Resources in this collection include presentations from theSeed Saving & Soil Health Training in Phnom Penh, Cambodia from 5-6 August 2018. This training focused on seed saving, seed production of under-utilized species, soil health and integrated pest management. This training was organized...