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\bibitem{Lai_etal2012} Lai, R., Seddaiu, G., Gennaro, L., \& Roggero, P. P. (2012). Effects of nitrogen fertilizer sources and temperature on soil CO2 efflux in Italian ryegrass crop under Mediterranean conditions. \textit{Ital. J. Agron.}, \textit{7}(2), 27.

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