[1]
M. . Eslami, H. . Dehghanzadeh, M. . Jafarzade, and R. . Aminian, “The effect of zinc on yield and yield components of sunflower (Helianthus.annuus L. )under drought stress”, Sci. J. Crop Sci., vol. 3, no. 6, pp. 61-65, Jun. 2014.