Welcome to Chinese Agricultural Science Bulletin,
Effect of Selenium Fertilizer on Quality and Selenium Content
of Three Staple Herb-medicines in Gansu Province
Xi Xudong,Ji Lijun and Li Haidong
Chinese Agricultural Science Bulletin . 2015, (28): 136 -140 .  DOI: 10.11924/j.issn.1000-6850.casb15030165