Home / Standards / GB/T 31732-2015 GB/T 31732-2015 Active Balance fertilization by soil testing—Technical specification for fertilizer compounding service station 测土配方施肥 配肥服务点技术规范 Standard Type GBT ICS 65.080 CCS G20 Status 现行 Issue Date 2015-07-03 Implementation 2015-11-02 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A