This standard stipulates the application of soil improvement substances, soil disinfection, degradation of soil pesticide residues, and reasonable crop rotation in the process of soil improvement for facility vegetables. This standard applies to soil improvement in facility vegetable production.
DB22/T 2138-2018 history
2018DB22/T 2138-2018 Technical Regulations for Soil Improvement of Facility Vegetables
2014DB22/T 2138-2014 Technical specification for soil environment optimization of vegetables in protected areas