%0 Journal Article %A Ashabi, Shahram, Dadnia, Mohamad Reza %T Evaluation Effect of Copper Foliar Application at Different Growth Stages of on Seed yield and Its Components of Cowpea (Vigna Sinensis L.) %J Journal of Crop Nutrition Science %V 7 %N 3 %P 24-33 %D 2021 %R %U https://sanad.iau.ir/fa/Article/921144