JAGGI, R C, R K SHARMA, and SONIKA GUPTA. “Comparative Response of Onion (Allium Cepa) to Two Sources of Sulphur”. The Indian Journal of Agricultural Sciences 76, no. 3 (January 5, 2011). Accessed October 21, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/2621.