AND S. KARMAKAR, Rakesh Kumar, J.K. Lal, Arvind Kumar, B.K. Agrawal. Effect of Different Sources and Levels of Sulphur on Yield, S Uptake and Protein Content in Rice and Pea Grown in Sequence on an Acid Alfisol. Journal of the Indian Society of Soil Science, India, v. 62, n. 2, 2014. Disponível em: https://epubs.icar.org.in/index.php/JISSS/article/view/43563. Acesso em: 11 jul. 2026.