DATTA, M; BANIK, S. Comparative efficacy of different phosphatic fertilizers and phospho-bacterium (Bacillus firmus) on rice (Oryza sativa) in an acid soil*. The Indian Journal of Agricultural Sciences, Delhi, India, v. 67, n. 11, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/30139. Acesso em: 4 jul. 2026.