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Supertopics:
Food Supply Energy Efficiency
Organic Agriculture

Efficiency of Organic Farming

Subtopics:
webChelsea HarveyWashington Post2015-06-02
webDavid Blumepermaculture.com2015-05-18
webLand Stewardship Project2008-04-01
webNicole WinfieldAssociated Press2007-05-05
webBiology News Net2005-07-01
webGeorge MonbiotThe Guardian2022-08-16
webDavid R. MontgomeryThe Conversation2017-04-03
webNathanael JohnsonGrist2015-10-14
webThe Ecologist2014-11-22