R. BHATTACHARYYA, R. D. SINGH, S. CHANDRA, S. KUNDU, and H. S. GUPTA, “Effect of tillage and irrigation on yield and soil properties under rice (Oryza sutiva)-wheat (Triticumz aestivum) system on a sandy clay loam soil of Uttaranchal”, Indian J Agri Sci, vol. 76, no. 7, Jan. 2011, Accessed: Oct. 26, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/2985