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  1. 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population growth, have little choice but to crop their land continuously, with scarce resources to replace nutrients withdrawn by each successive crop.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 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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