AKINRINDE, E.A. Issues of Optimum Nutrient Supply for Sustainable Crop Production in Tropical Developing Countries. Pakistan Journal of Nutrition, Pakistan, v. 5, n. 4, p. 387–397, 2006. DOI: 10.3923/pjn.2006.387.397. Disponível em: https://pjnonline.org/pjn/article/view/379. Acesso em: 15 aug. 2025.