Tianjin Provincial Standard of the People's Republic of China
Latest
DB12/T 421-2010
Scope
This part specifies the terms and definitions, basic requirements, seedling cultivation, planting, field management, harvesting and storage of sweet potato, an organic agricultural product. This section applies to the cultivation of sweet potato, an organic agricultural product in Tianjin.
DB12/T 421-2010 history
2010DB12/T 421-2010 Technical Specifications for Organic Cultivation of Sweet Potatoes