Qinghai Provincial Standard of the People's Republic of China
Latest
DB63/T 1469-2016
Scope
This specification stipulates the environmental conditions, seed production technology, pest control and seed harvesting for the production of improved northern cabbage varieties. This specification is applicable to the production of improved northern cabbage varieties in the Sichuan River area.
DB63/T 1469-2016 history
2016DB63/T 1469-2016 Technical specifications for the production of fine varieties of northern early cabbage