GHOSH, G K; SARKAR, A K. Efficacy of phosphogypsum as Source of sulphur for chickpea (Cicer arietinum) in an acid soil*. The Indian Journal of Agricultural Sciences, Delhi, India, v. 70, n. 4, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/28222. Acesso em: 28 oct. 2025.