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An average Swede uses 4000 m2 of arable land for their food production. Half of that area, 2000 m2 per person, would be enough if we reduce the amount of meat to about 20% of the food consumed. 2000 m2 per person corresponds to the average of Earth’s total cultivated area, divided equally among all people. |
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Clover and other leguminous species have the capacity to fix atmospheric nitrogen due to their symbiosis with rhizobium bacteria in their root nodules. The nitrogen fixated in the soil functions as fertilizer for other crops in a crop rotation. Fixation of nitrogen builds up the humus content in the soil which also has the advantage of reducing it as a greenhouse gas in the atmosphere
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