Jiangsu Provincial Standard of the People's Republic of China
Latest
DB32/T 4230-2022
Scope
This document applies to the application of nitrogen and phosphorus fertilizers in farmland in the Taihu Basin, Huaihe River Basin, riverside basins and coastal basins.
DB32/T 4230-2022 history
2022DB32/T 4230-2022 Quotas for farmland fertilizer use in key watersheds