[permaculture] BBC - Future - The ‘miracle mineral’ the world needs

Lawrence London lfljvenaura at gmail.com
Mon Feb 4 23:24:38 EST 2019


Phosphorous

BBC - Future - The ‘miracle mineral’ the world needs
http://www.bbc.com/future/story/20190114-compost-or-phosphorus-fertiliser-in-africa-agriculture


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