C. S. PRAHARAJ and T. P. RAJENDRAN, “Long-term quantitative and qualitative changes in cotton (Gossypium hirsutum) and soil parameters under cultivars, cropping systems and nutrient management options”, Indian J Agri Sci, vol. 77, no. 5, Jan. 2011, Accessed: Sep. 19, 2024. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/3360