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Supertopics:
Reasons that Food Yields Are Declining
Soil Degradation (Peak Soil)

Soil Degradation Miscellany

Subtopics:
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webBaher KamalIPS2017-09-17
webKristin OhlsonOrion Magazine2016-04-14
webAnne Bikle & David R. Montgome...Nautilus2016-03-31
webConor GaffeyNewsweek2015-09-15
webScienceDaily2014-09-03
webSoilWeb2013-12-18
webW. C. LowdermilkUSDA1953-08-01