UMERI, C. .; NWAJEI, S.; AKPORHERHE, H. . Effect of urea fertilizer on the growth and yield of African spinach (Amaranthus hybridus L.) in derived- savanna zone of Delta State, Nigeria. Journal of Current Opinion in Crop Science, [S. l.], v. 3, n. 1, p. 28–33, 2022. DOI: 10.62773/jcocs.v3i1.152. Disponível em: https://jcocs.com/index.php/ej/article/view/152. Acesso em: 25 apr. 2024.