Home / Standards / GB/T 47305-2026 GB/T 47305-2026 Upcoming Determination of available boron in soil 土壤有效硼的测定 Standard Type GBT ICS 13.080 CCS B 10 Status 即将实施 Issue Date 2026-03-31 Implementation 2026-10-01 Responsible Dept 农业农村部 Drafting Unit N/A