Yunnan Provincial Standard of the People's Republic of China
Latest
DB5307/T 27-2020
Scope
This standard specifies the technical requirements for land selection, land preparation and base fertilizer, seed selection and preparation, timely sowing, field management, pest and disease control, field testing, harvesting, packaging and transportation, and storage of high-altitude seed potato seeds.
DB5307/T 27-2020 history
2020DB5307/T 27-2020 Technical Regulations for Production of High Altitude Seed Potatoes