Sorrenti, Giovambattista, Maurizio Quartieri, Silvia Salvi, and Moreno Toselli. “Nutrient Removal by Apple, Pear and Cherry Nursery Trees”. Italian Journal of Agronomy 12, no. 2 (June 27, 2017). Accessed March 28, 2024. https://www.agronomy.it/agro/article/view/805.