PRASAD, Rajendra. Efficient fertilizer use: The key to food security and better environment. Journal of Tropical Agriculture, [S. l.], v. 47, n. 1, p. 1–17, 2009. Disponível em: https://jtropag.kau.in/index.php/ojs2/article/view/198. Acesso em: 7 may. 2024.