DB22/T 2139-2018
Technical regulations for nitrate-regulated production of green leafy vegetables in facilities (English Version)
- Standard No.
- DB22/T 2139-2018
- Language
- Chinese, Available in English version
- Release Date
- 2018
- Published By
- Jilin Provincial Standard of the People's Republic of China
- Status
- 2014-12
- Replace By
- DB22/T 2139-2014
- Latest
- DB22/T 2139-2014
- DB22/T 2139-2018
- Scope
- This standard specifies the technical requirements for soil environmental quality, soil preparation and base fertilizer application, nutrient management, moisture management, light and temperature management, and harvesting during the nitrate-controlled production of green leafy vegetables in facilities. This standard applies to the production of green leafy vegetables such as spinach, leaf lettuce, celery, chrysanthemum, chicory, lettuce, pak choi, rapeseed, etc.
DB22/T 2139-2018 history
- 2018 DB22/T 2139-2018 Technical regulations for nitrate-regulated production of green leafy vegetables in facilities
- 2014 DB22/T 2139-2014 Technical Regulations on Ecological Control of Nitrate Accumulation in Leafy Vegetables in Protected Areas
