S. THYAGARAJAN & M RAMANATHAN. Adoption of biofertilizer in rice cultivation. Indian Journal of Extension Education, India, v. 37, n. 3-4, p. 179–182, 2001. DOI: 10.48165/. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/161228. Acesso em: 5 jun. 2026.