Henan Provincial Standard of the People's Republic of China
Latest
DB41/T 1964-2020
Scope
The standard stipulates the terms and definitions of sowing and raising seedlings of maple poplar, site selection and arrangement, seed collection and processing, sowing, seedling management and nursery release. This standard applies to maple poplar sowing and seedling raising.
DB41/T 1964-2020 history
2020DB41/T 1964-2020 Technical regulations for sowing seedlings of maple poplar