Yunnan Provincial Standard of the People's Republic of China
Latest
DB53/T 353-2011
Scope
This standard specifies the technical regulations for the production of tobacco original seeds, improved conventional varieties, improved male sterile lines and improved hybrid varieties. This standard applies to research units and tobacco seed enterprises engaged in the propagation and production of original tobacco seeds and improved seeds.
DB53/T 353-2011 history
2011DB53/T 353-2011 Tobacco Seed Propagation and Production Technical Regulations