SHARMA, R K; VERMA, S K; TIWARI, S C. Performance of Sub-surface Drainage under ORP trial in Sandy Loam Sodic Soils with High Water Table Condition. Journal of Agricultural Engineering, India, v. 45, n. 3, 2008. Disponível em: https://epubs.icar.org.in/index.php/JAE/article/view/14543. Acesso em: 6 jun. 2026.