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\bibitem{DeSanctis_etal2012} De Sanctis, G., Roggero, P. P., Seddaiu, G., Orsini, R., Porter, C. H., \& Jones, J. W. (2012). Long-term no tillage increased soil organic carbon content of rain-fed cereal systems in a Mediterranean area. \textit{European Journal of Agronomy}, \textit{40}, 18--27.

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