M. WAJID KHAN, MADHU KULSHRESHTHA and. Impact of sulphur dioxide on root colonization by VAM fungi and nodulation on blackgram. Indian Phytopathology, India, v. 52, n. 2, p. 182–184, 2002. Disponível em: https://epubs.icar.org.in/index.php/IPPJ/article/view/19503. Acesso em: 5 jun. 2026.