Effect of sulphur on soil pH, growth and productivity of rape seed plant. Baghdad Science Journal, Iraq, Baghdad, v. 5, n. 3, p. 340–345, 2008. DOI: 10.21123/bsj.2008.5.3.340-345. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/907.. Acesso em: 24 nov. 2024.