Manachini, Barbara, Anna Corsini, and Stefano Bocchi. “Soil Quality Indicators As Affected by a Long Term Barley-Maize and Maize Cropping Systems”. Italian Journal of Agronomy 4, no. 1 (March 31, 2009): 15–22. Accessed April 26, 2024. https://www.agronomy.it/agro/article/view/ija.2009.1.15.