SUD, K.C., VERMA, B.C. and SHARMA, R.C. (2013) “Nitrogen and sulphur role in potato (Solanum tuberosum ) nutrition on brown hill soil of Shimla”, The Indian Journal of Agricultural Sciences, 69(2). Available at: https://epubs.icar.org.in/index.php/IJAgS/article/view/26332 (Accessed: 28 October 2025).