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\bibitem{Ventrella_etal2012} Ventrella, D., Giglio, L., Charfeddine, M., \& Castellini, M. (2012). Effects of climate change on soil fertility of a typical cropping system of Southern Italy. In F. Stoddard, \& P. M{\"a}kel{\"a} (Eds.), (pp. 480--481). Helsinki: University of Helsinki.

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