SINRA, PRATIMA, B K DUBE, and C CRATTERJEE. 2014. “Sulphur Deficiency Effects on Metabolism and Seed Quality of Maize (Zea Mays) and Recovery Therefrom*”. The Indian Journal of Agricultural Sciences 71 (4). https://epubs.icar.org.in/index.php/IJAgS/article/view/39731.