%0 Journal Article %A Abtahi, S.M., Zainali, H. %T Investigation the effect of different levels of water stress, nitrogen and seed density on the Silybum marianum seed yield %J Journal of Plant Ecophysiology %V 7 %N 21 %P 34-47 %D 2015 %R %U https://sanad.iau.ir/fa/Article/1084439