Evaluation of Type and Application Timing of Indigenous Organic Materials on the Productivity of Maize (Zea mays L.) in Guinea Savannah of Ghana. Ghana Journal of Science, Technology and Development, [S. l.], v. 3, n. 1, p. 25–35, 2015. DOI: 10.47881/60.967x. Disponível em: https://gjstd.org/index.php/GJSTD/article/view/60. Acesso em: 9 sep. 2025.