نجاتعلی سالار
حسین عزالدین
کاظم طاهریان

This survey was accomplished in order to reach preliminary inquires about plantation of Ferula gummosa species. The survey was begin since 1373 and continud foe 3 years in semnan Natural Resurce Research center. and was performed in following six distinct tests.

فرولا,تکثیر رویشی,کشت کاری,جوانه زنی