@inproceedings{paperid:1029493, author = {عبداله ملافیلابی and Khorramdel, Soroor and قاسم حسینی and هادی شوریده and Asadi, Ghorban Ali}, title = {The effects of nitrogen rates on growth and yield of calundula (Calendula officinalisL.)}, booktitle = {13th International Congress of the Society for Ethnopharmacology}, year = {2012}, location = {Graz}, keywords = {Calendula; Medicinal plant; Nitrogen; Yield}, }