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  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population growth, have little choice but to crop their land continuously, with scarce resources to replace nutrients withdrawn by each successive crop.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. 2017-04-20 Conservation Agriculture (CA)—characterized by the three linked principles of minimizing soil disturbance, permanently covering the soil, and including crop rotations and associations – has proven effective at restoring soil health and fertility, improving the capture and use of rainfall, and...  

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