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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population growth, have little choice but to crop their land continuously, with scarce resources to replace nutrients withdrawn by each successive crop.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. 2017-08-15 This article is from ECHO Asia Note # 32. Dr. Tapani Haapala Potatoes (Solanum tuberosum) contain high-quality food properties and are very good protein and energy sources on a daily per hectare basis of production (Frusciante et al. 2000). Potatoes are grown mostly in cool climate areas. In the...  

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