G. BHUPAL RAJ, P. Ravi and. Identification of Yield Limiting Nutrients in Rice (Oryza sativa L.) Through DRIS Indices. Journal of the Indian Society of Soil Science, India, v. 63, n. 1, 2015. Disponível em: https://epubs.icar.org.in/index.php/JISSS/article/view/48478. Acesso em: 16 jul. 2026.