IKEH, A. O.; ESANG, D. M.; UNAEGBU, A. D.; RAHMAT, A.; MITRA, D. Utilization of Organic Soil Amendments to Improve Soil Properties and Groundnut Productivity in an Ultisol of Southeastern Nigeria. Open Soil Science and Environment, [S. l.], v. 4, n. 1, p. 1–10, 2026. DOI: 10.70110/osse.v4i1.60. Disponível em: https://soilenvironment.com/index.php/OSSE/article/view/60. Acesso em: 21 sep. 2026.