AVASTHE, R K; MISHRA, B. Distribution of urea nitrogen in floodwater of a submerged soil and cumulative ammonia loss. The Indian Journal of Agricultural Sciences, Delhi, India, v. 65, n. 3, 2012. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/18668. Acesso em: 29 oct. 2025.