US Patent Issued to Tobacco Research Institute of Hubei Province on Jan. 13 for "Application method of medium and trace nutrient elements for wrapper hydroponic system" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,520,781, issued on Jan. 13, was assigned to Tobacco Research Institute of Hubei Province (Wuhan, China).

"Application method of medium and trace nutrient elements for wrapper hydroponic system" was invented by Chunlei Yang (Wuhan, China), Jinpeng Yang (Wuhan, China), Jun Yu (Wuhan, China), Zhilong Bie (Wuhan, China), Yuan Huang (Wuhan, China), Sicheng Liu (Wuhan, China), Kaixiao Fan (Wuhan, China), Chuanzong Li (Wuhan, China), Wenchang Huang (Wuhan, China), Jiazhen Chen (Wuhan, China), Yu Song (Wuhan, China), Yiyang Zhang (Wuhan, China), Gang Liu (Wuhan, China), Yunfei Zhao (Wuhan, China), Jingxiu Fan (Wuhan, China), Xin Wang (Wuhan, China), Yang Deng (Wuhan, China), Yulei Zhao (Wuhan...