SUBBAIAH, S V; KUMER, R MAHENDER. Influence of rice (Oryza satiya)-cultivation method and cropping system on nutrient status of soil and productivity in Vertisols. The Indian Journal of Agricultural Sciences, Delhi, India, v. 67, n. 6, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/29906. Acesso em: 14 jun. 2026.