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4 items found (Showing 1 - 4)
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  2. 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population growth, have little choice but to crop their land continuously, with scarce resources to replace nutrients withdrawn by each successive crop.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...  
  3. Insects and other pests can be a serious constraint to food production, especially where resources for pest management are scarce. For example, inEDN 133, we responded to a question about problems with tomato leaf miner (Tuta absoluta) in Nigeria. Heavy infestations of this pest alone can reduce...  
  4. This collection of farmer training materials was originally developed by Canadian Foodgrains Bank and African Conservation Tillage Network staff to support agricultural training projects in sub-Saharan Africa. The authors encourage agriculture development practitioners to submit ideas or requests...  

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