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A synthesis of carbon sequestration; carbon emissions; and net carbon flux in agriculture: comparing tillage practices in the United States.[J].Tristram O West;Gregg Marland.Agriculture; Ecosystems and Environment.2002, 1
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The potential of world cropland soils to sequester C and mitigate the greenhouse effect.[J].R. Lal;J.P. Bruce.Environmental Science and Policy.1999, 2