“Effect of different sources of nitrogen on various physiological parameters and their correlation with yield of cabbage (Brassica oleracea var. capitata L.)”, ijah, vol. 9, no. 1 & 2, pp. 52–57, Apr. 2015, Accessed: Nov. 24, 2024. [Online]. Available: https://acspublisher.com/journals/index.php/ijah/article/view/18245