SHARMA, M P; SINGH, ROOM. Effect of Azolla on wheat (Triticum aestivum) yield and soil properties*. The Indian Journal of Agricultural Sciences, Delhi, India, v. 69, n. 1, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/26292. Acesso em: 28 oct. 2025.