SARKAR, R K, T K SASMAL, A CHAKRABORTY, and B BALA. 2013. “Effect of Micronutrients on Physiological Parameters in Relation to Yield of Sunflower (Helianthus Annuus) in Rice-Fallow Gangetic Alluvial Soil*”. The Indian Journal of Agricultural Sciences 68 (4). https://epubs.icar.org.in/index.php/IJAgS/article/view/27486.