S. K. Tripathy, “Effect of Nitrate of Potassium and Calcium on Grain Filling and Yield of Hybrid Rice”, IJHF, vol. 31, no. 1, Aug. 2018, Accessed: Jun. 12, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/IJHF/article/view/82332