1. State Key Laboratory of Soil and Sustainable Agriculture Institute of Soil Science Chinese Academy of Sciences Nanjing 210008 PR China.
2. Institute of Bast Fiber Crops Chinese Academy of Agricultural Sciences Changsha 410205 PR China
3. Hunan Institute of Microbiology Changsha 410009 PR China
4. Univ. of Chinese Academy of Sciences Beijing 100049 PR China
5. Sichuan Institute of Tobacco Science Chengdu 610000 China.
6. Liangshan Tobacco Company of Sichuan Province Liangshan 615000 China
7. Luoyang Tobacco Company of Henan Province Luoyang 471023 China