Home / Standards / GB/T 29404-2025 GB/T 29404-2025 Upcoming Guideline for determining irrigation water quota 灌溉用水定额编制导则 Standard Type GBT ICS 13.060.25 CCS P40 Status 即将实施 Issue Date 2025-12-31 Implementation 2026-07-01 Responsible Dept 水利部 Drafting Unit N/A