QURESHI, A AZIZ, and K E LAWANDE. 2011. “Response of Onion (Allikcm Cepa) to Sulphur Application for Yield, Quality and Its Storability in S-Deficient Soils”. The Indian Journal of Agricultural Sciences 76 (9). https://epubs.icar.org.in/index.php/IJAgS/article/view/3065.