PATEL, Neelam; RAJPUT, T.B.S. Effect of Subsurface Drip System in Nitrate Leaching. Journal of Agricultural Engineering, India, v. 47, n. 1, 2010. Disponível em: https://epubs.icar.org.in/index.php/JAE/article/view/14640. Acesso em: 22 oct. 2025.