Marchetti, Rosa, Fabio Castelli, Anna Orsi, Lidia Sghedoni, and Davide Bochicchio. “Biochar from Swine Manure Solids: Influence on Carbon Sequestration and Olsen Phosphorus and Mineral Nitrogen Dynamics in Soil With and Without Digestate Incorporation”. Italian Journal of Agronomy 7, no. 2 (May 31, 2012): e26. Accessed June 10, 2025. https://agronomy.pagepress.org/index.php/agro/article/view/ija.2012.e26.