SINGH, VED, B S YADAV, and S R BHUNIA. 2013. “Effect Nf Planting Date and Irrigation Management on Growth and Yield of Spring Sunflower (Helianthus annuus)*”. The Indian Journal of Agricultural Sciences 67 (1). https://epubs.icar.org.in/index.php/IJAgS/article/view/29846.