Ruisi, P., Giambalvo, D., Saia, S., Di Miceli, G., Frenda, A.S., Plaia, A. and Amato, G. 2014. Conservation tillage in a semiarid Mediterranean environment: results of 20 years of research. Italian Journal of Agronomy. 9, 1 (Jan. 2014), 1–7. DOI:https://doi.org/10.4081/ija.2014.560.