Nitrogen use efficiency of poultry manure by maize. Journal of Science and Technology, [S. l.], v. 27, n. 2, 2016. DOI: 10.4314/just.v27i2.654. Disponível em: https://journal.knust.edu.gh/index.php/just/article/view/654. Acesso em: 11 jun. 2026.