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174 items found (Showing 1 - 10)
  1. 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population growth, have little choice but to crop their land continuously, with scarce resources to replace nutrients withdrawn by each successive crop.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...  
  2. This short document contains graphs that show how zero tillage leads to increased water infiltration and increased water retention in soil.  
  3. 2016-08-17 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....  
  4. 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. Four nutrient deficiencies--phosphorus, potassium, nitrogen, and magnesium--can be diagnosed by observing maize leaves. This document includes photos of a healthy maize leaf and of maize leaves demonstrating each of these nutrient deficiencies. It also contains suggestions for how to address each...  
  6. 2017-08-01 The decline or even loss of soil fertility is the major challenge faced by more and more farmers around the world in general and especially those in sub-Saharan Africa. Many causes, mainly anthropogenic, are at the origin of this situation. Despite the massive use of chemical fertilizers through...  
  7. AccessAgriculture Training Video In the coastal savanna of West Africa, farmers explain how a mucuna cover crop helped to revive their highly degraded soil, and suppress the noxious weeds Striga and Imperata. They show how to grow it to benefit your maize and cassava, and why discussing land...  
  8. Key Resource
    2017-05-26 By integrating legumes into cropping systems, small-scale farmers in low-resource settings can invest in the long-term health and resilience of their soils. Success or failure depends largely on choosing the right legume(s). With that in mind, this document presents insights on legume selection...  
  9. AccessAgriculture Training Video A 22-minute video to explain the importance of combining organic resources mineral fertilizer and improved varieties in ways that are adapted to local conditions. Practical examples are shown from various agro-ecological zones in Mali, Niger, Nigeria, DR Congo,...  
  10. AccessAgriculture Training Video Farmers in Cote d’Ivoire show how they improve their cassava production and restore soil fertility. There are five things to do: use improved varieties that are resistant to the cassava mosaic virus; apply organic matter; apply small doses of mineral fertiliser;...