JAGGI, R.C. and DIXIT, S.P. (2013) “Onion (Allium cepa) responses to sulphur in representative vegetable growing soils of Kangra Valley of Himachal Pradesh”, The Indian Journal of Agricultural Sciences, 69(4). Available at: https://epubs.icar.org.in/index.php/IJAgS/article/view/26684 (Accessed: 28 October 2025).