“Effect of adding Bio-humic fertilizer and planting date on vegetative and chemical growth characteristics of onion Allium cepa L”., Int. J. Environ. Sci., vol. 11, no. 3s, pp. 607–617, May 2025, Accessed: Aug. 15, 2026. [Online]. Available: http://theaspd.com/index.php/ijes/article/view/320