EHIGIE, O. H.; EMUH, F. N.; OJEIFO, I. M.; OSSAI, C. Agronomic and yield responses of selected improved sweet potato cultivars to different rates of organic fertilizer in the Niger Delta region, Nigeria. Journal of Current Opinion in Crop Science, [S. l.], v. 7, n. 1, p. 79–90, 2026. DOI: 10.62773/jcocs.v7i1.378. Disponível em: https://www.jcocs.com/index.php/ej/article/view/378. Acesso em: 15 apr. 2026.