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[期刊论文] 作者：Ludwig Hermann,Markus Reuter,
来源：地球科学与工程：英文版 年份：2013
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Challenges and Opportunities for Nutrient Recycling in a Circular Economy - Lessons learned in Europ
[会议论文] 作者：Ludwig Hermann,Christian Kabbe,
来源：第五届全球可持续磷峰会 年份：2016
Farmyard manure,sewage sludge as well as agricultural,food processing and consumption waste are an important source for secondary nutrients.In Europe they contain about 6,000-7,000 kt per year of each...
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