MALIK, R S, H K YADAV, NARENDER NARENDER, RAJPAUL RAJPAUL, and P S SANGWAN. “Background Levels of Zinc, Iron, Manganese and Copper in Soil Series of Haryana and Their Relationship With Soil Properties”. The Indian Journal of Agricultural Sciences 87, no. 8 (August 17, 2017): 1094–1098. Accessed October 25, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/73279.