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graetzer
on Sept 25, 2017
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Can American soil be brought back to life?
That is actually not true, sewage can be treated and processed into 'biosolids'. I remember seeing a documentary about this, where they produced fertilizer from sewage in nyc
http://www.nyc.gov/html/dep/html/wastewater/biohome.shtml
seiferteric
on Sept 25, 2017
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Ya, milorganite exists, and has for like 100+ years, and I am sure there are others, but the total impact I am betting, is very minimal.
TeMPOraL
on Sept 25, 2017
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So it can; the question is, whether it is, and at what scale.
anubisresources
on Sept 25, 2017
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Human waste has been used as fertilizer for ages. Check out night soil
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http://www.nyc.gov/html/dep/html/wastewater/biohome.shtml