M. WAJID KHAN, MADHU KULSHRESHTHA and. Impact of fly ash application in soil on root colonization by a VAM fungus and root nodulation by Rhizobium. Indian Phytopathology, India, v. 52, n. 2, p. 185–187, 2002. Disponível em: https://epubs.icar.org.in/index.php/IPPJ/article/view/19504. Acesso em: 22 oct. 2025.