S. S. N. K. R. T. M. D. and Muneshwar Singh, “Effect of Long-Term Application of Inorganic Fertilizers and Organic Manure on Yield, Potassium Uptake and Profile Distribution of Potassium Fractions in Vertisol under Soybean-Wheat Cropping System”, JISSS, vol. 61, no. 2, Aug. 2013, Accessed: Oct. 19, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/JISSS/article/view/32788