Pisante, Michele, Fabio Stagnari, and Cynthia A. Grant. “Agricultural Innovations for Sustainable Crop Production Intensification”. Italian Journal of Agronomy 7, no. 4 (October 8, 2012): e40. Accessed October 31, 2020. https://agronomy.it/index.php/agro/article/view/ija.2012.e40.