%0 Journal Article %A Nematollahi, E., Jafari, A., Bagheri, A. %T Effect of drought stress and salicylic acid on photosynthesis pigments and macronutrients absorption in two sunflower (Helianthus annuus L.) cultivars %J Journal of Plant Ecophysiology %V 5 %N 12 %P 37-51 %D 2013 %R %U https://sanad.iau.ir/fa/Article/1084444