SINGH, KAMLA. Effect of inoculation with Azotobacter and phosphobactrin on potato (Solanum tuberosum) in north-eastern bills. The Indian Journal of Agricultural Sciences, Delhi, India, v. 70, n. 4, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/28203. Acesso em: 28 oct. 2025.