%0 Journal Article %A zarghami, fatame, sadeghi, mehdi %T Effect of Plant Density on Radiation Use Efficiency, Extinction Coefficient and Grain Yield of Two Sunflower Cultivars in Northern Khuzestan %J Journal of Plant Ecophysiology %V 9 %N 30 %P 108-118 %D 2017 %R %U https://sanad.iau.ir/fa/Article/1083247