An Analysis of the Nitrogen Dynamic Impacted by Biochar and Compost on Ultisol Soil Using Stable Isotope N-15. International Journal of Life Science and Agriculture Research , [S. l.], v. 4, n. 03, p. 182–190, 2025. DOI: 10.55677/ijlsar/V04I03Y2025-04. Disponível em: https://ijlsar.org/index.php/ijlsar/article/view/493. Acesso em: 1 apr. 2025.