Arshadullah, M., Ali, A., Hyder, S. I., Mahmood, I. A. and Zaman, B.- uz-. (2018) “Effect of Different Levels of Foliar Application of Potassium on Hysun-33 and Ausigold-4 Sunflower (Helianthus annuus L.) Cultivars under Salt Stress: Potassium Application on Sunflower Cultivars”, Biological Sciences - PJSIR, 57(1), pp. 1–4. doi: 10.52763/PJSIR.BIOL.SCI.57.1.2014.1.4.