اﺛﺮ ﻧﯿﺘﺮات ﭘﺘﺎﺳﯿﻢ ﺑﺮ ﺧﺼﻮﺻﯿﺎت ﺟﻮاﻧﻪ زﻧﯽ ﺑﺬور ﮔﻠﺮﻧﮓ در ﺷﺮاﯾﻂ ﺗﻨﺶ ﮐﻢ آﺑﯽ

Effects of potassium nitrate on germination characteristics of safflower seeds under water deficit stres