Hebei Provincial Standard of the People's Republic of China
Latest
DB13/T 1237-2010
Scope
This standard stipulates the establishment of early-fruiting walnut seedling breeding nursery, rootstock seedling cultivation, hard branch grafting, square bud grafting, seedling raising, grading and packaging, seedling quality, etc. This standard applies to the production of early-fruiting walnut seedlings.
DB13/T 1237-2010 history
2010DB13/T 1237-2010 Technical Regulations for the Cultivation of Early Fruiting Walnut Seedlings