Depth-Resolved Assessment of Soil Fertility in the Indo-Gangetic Plains: Amhat and Bankepur, Sultanpur, with a Focus on N, P, K, and S. International Journal of Scientific Research in Science and Technology, [S. l.], v. 12, n. 5, p. 156–167, 2025. DOI: 10.32628/IJSRST25125117. Disponível em: https://mail.ijsrst.com/index.php/home/article/view/IJSRST25125117. Acesso em: 28 feb. 2026.