INTODIA, S.K. and TOMAR, O.P. (2013) “Effect of sulphur application on growth and yield of sunflower (Helianthus annuus)*”, The Indian Journal of Agricultural Sciences, 67(1). Available at: https://epubs.icar.org.in/index.php/IJAgS/article/view/29845 (Accessed: 28 October 2025).