KATKAR, R N; SONUNE, B A; KADU, P R. Long-term effect of fertilization on soil chemical and biological characteristics and productivity under sorghum (Sorghum bicolor)–wheat (Triticum aestivum) system in Vertisol. The Indian Journal of Agricultural Sciences, Delhi, India, v. 81, n. 8, 2011. DOI: 10.56093/ijas.v81i8.8437. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/8437. Acesso em: 28 jun. 2026.