SINGH, V K; KUMAR, V. Delineation of sulphur deficiencies in Trans-Gangetic Plain and on-farm sulphur management for higher productivity and profits in rice (Oryza sativa)-wheat (Triticum aestivum) system. The Indian Journal of Agricultural Sciences, Delhi, India, v. 83, n. 12, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/35956. Acesso em: 26 oct. 2025.