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11771 items found (Showing 41 - 50)
  1. Key Resource 2011-01-01 A sand dam is a reinforced concrete wall built across a seasonal river to hold underground water in sand (see above photo of Nzaaya Muisyo sand dam, Eastern province, Kenya). It is initially built one meter high and up to 90 meters across. During the heavy and erratic seasonal rains, the water...  
  2. Key Resource
    1984-04-20 This Technical Note (TN) was published in the early 80's when there were relatively few sources of information on, or seed for, the neem tree. In recent years much progress has been made in each of these areas. The information contained in this Technical Noteis still quite valuable. A good source...  
  3. Key Resource
    2019-01-07 Two broad categories of seeds exist, referred to as recalcitrant and orthodox. The former must be kept moist and planted soon after they are collected; large-seeded fruits such as mango and avocado are typical examples. The second type of seeds are discussed in this document. Orthodox seeds are...  
  4. Key Resource 2015-07-23 Climate change will have a huge impact on the world’s poorest people. Crop yields have already gone down in the tropics and are projected to drop by 15-30% by 2080 in Africa, South Asia, and Central America (Hoffman 2013). Some countries could reach a 50% loss of agricultural productivity; in...  
  5. Key Resource 2010-01-01 For many years, conventional Western forestry methods have been applied, and exotic tree species promoted in Sahelian countries in order to combat desertification. Large and small projects were commissioned to curtail the assumed southward movement of the Sahara desert, but few made any lasting...  
  6. Key Resource 2012-01-01 Dawn Berkelaar, working with Dr. Martin Price and Danny Blank, featured this farming system inEDN 98. At that time, the technique was known as “Farming God’s Way” (FGW). Subsequently, the name was changed to “Foundations for Farming” (FFF); however, it continues to also be promoted as FGW. FGW...  
  7. Key Resource
    2014-02-26 Pastoralism is a livelihood whereby people depend upon herding domesticated livestock. In East Africa, pastoralists depend primarily upon cattle, sheep, donkeys, goats and camels— listed in order of least resilience as one moves into drier and more arid lowland areas. Pastoralists play an...  
  8. Key Resource 2014-01-01 In order to achieve high levels of agricultural productivity in the tropics at the lowest possible economic and ecological costs, we need to properly understand the relationship between nutrients in the soil and crop productivity. For this to happen, the current understanding needs to change. The...  
  9. Key Resource 2007-01-01 Though nearly all plants are useful in some way, they are not equally valuable. For example, wheat, rice and corn may be considered the most valuable plants in the world based on the vast acreage planted to these crops, their vital role in feeding humankind, and their enormous economic value....  
  10. Key Resource 1996-01-01 What can a family do if the national unemployment rate is over 50%, wages are a dollar or two a day, prices of food are increasing and may at times be even higher than in the USA, they have neither savings nor credit and there is no governmental safety net? For many, an option of last resort is...