Laxminarayana, K, and Susan John K. “Effect of Zinc and Magnesium on Orange Fleshed Sweet Potato in Alfisols of Odisha, India”. JOURNAL OF ROOT CROPS 40, no. 1 (January 15, 2015): 44–51. Accessed May 19, 2024. https://journal.isrc.in/index.php/jrc/article/view/167.