Chemical Health Assessment of Agricultural Soils in Isialangwa North, Abia State, Nigeria. The NOUN Journal of Agricultural Research and Development (NJARD), [S. l.], v. 1, n. 1, p. 126–133, 2025. Disponível em: https://journal.agric.nou.edu.ng/agricjournal/index.php/NJARD/article/view/18. Acesso em: 7 jul. 2026.