Prasad, Rajendra, and Yashbir Singh Shivay. “Calcium As a Plant Nutrient”. International Journal of Bio-resource and Stress Management 11, no. Oct, 5 (October 15, 2020): i-iii. Accessed September 8, 2025. https://ojs.pphouse.org/index.php/IJBSM/article/view/4035.