Green manures could provide 70% more nitrogen than synthethetic fertilizers

"Green manures," or nitrogen-fixing cover crops, could provide 70% more nitrogen than synthetic fertilizers currently provide, according to a UMichigan study. (CIS 5)

Source: “Organic agriculture and the global food supply," Catherine Badgley, Jeremy Moghtaker, Eileen Quintero, Eily Zakem, M. Jahi Chappell, Katia Aviles-Vazques, Andrea Samulon and Ivette Perfecto, Renewable Agriculture and Food Systems: 22(2); 92, 94, accepted 9 June 2006, 2007 Cambridge University Press. Available online here: [verified 4/25/14]

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