Płaza, Anna, Barbara Gąsiorowska, and Emilia Rzążewska. “Post-Harvest Residues of Narrow-Leafed lupin/Oat Mixtures As a Source of Biological Nitrogen for Hybrid Winter Rye”. Italian Journal of Agronomy 15, no. 2 (May 14, 2020): 88–93. Accessed August 3, 2025. https://agronomy.pagepress.org/index.php/agro/article/view/1503.