SARKAR, S; MONDAL, S S; MAITI, P K; CHATTERJEE, B N. Sulphur nutrition of crops with and without organic manures under intensive cropping. The Indian Journal of Agricultural Sciences, Delhi, India, v. 64, n. 2, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/29042. Acesso em: 29 oct. 2025.