GB/T 2440-2001
Abolished尿素
Related Standards
NY/T 883-2004
Technical regulation for production of agricultural microbial inoculants
NY 609-2002
Organic matter-decomposing inoculant
GB/T 19524.2-2004
Determination of mortality of ascarid egg in fertilizers
GB/T 19524.1-2004
Determination of fecal coliforms in fertilizers
GB/T 19203-2003
Determination of calcium，magnesium andsulphur content for compound fertilizer
GB/T 2947-2002
Determination of free water in urea and ammonium nitrate by karl fischer method
GB/T 3597-2002
Fertilizer--Determination of nitrate nitrogen content--Nitron gravimetric method
GB/T 3559-2001
Ammonium bicarbonate for agricultural use