Borrelli, L., Colecchia, S., Troccoli, A., Caradonna, S., Papini, R., Ventrella, D., Dell’Abate, M.T., Galeffi, C., Tomasoni, C. and Farina, R. 2011. Effectiveness of the GAEC standard of cross compliance Crop rotations in maintaining organic matter levels in soils. Italian Journal of Agronomy. 6, s1 (Aug. 2011), e8. DOI:https://doi.org/10.4081/ija.2011.6.s1.e8.