ARORA, SANJAY; SINGH, B. P. Status of soil degradation in State of Uttar Pradesh. Journal of Soil and Water Conservation, India, v. 19, n. 2, 2020. Disponível em: https://epubs.icar.org.in/index.php/JSWC/article/view/107463. Acesso em: 3 jul. 2026.