CO2 emissions per hectare of organic agriculture systems are 48 to 66 percent lower than in conventi
"CO2 emissions per hectare of organic agriculture systems are 48 to 66 percent lower than in conventional systems."
Food and Agriculture Organization, Organic Agriculture and Climate Change, 2005. http://www.fao.org/docrep/005/y4137e/y4137e02b.htm
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