Optimal proportions between N, S and P and between K, Ca and Mg in the fertilization of roselle (Hibiscus sabdariffa L.). Tropical Agriculture, [S. l.], v. 64, n. 4, 1987. Disponível em: https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/2060.. Acesso em: 26 may. 2024.