A. D. Palumbo, A. V. Vonella, P. Garofalo, L. D’Andrea, and M. Rinaldi, “Response of a two-year sugar beet-sweet sorghum rotation to an agronomic management approach diversified by soil tillage and nitrogen fertilisation”, Ital J Agronomy, vol. 9, no. 3, pp. 109–114, Aug. 2014.