- Standard No.
- GB 12298-1990
- Language
- Chinese, Available in English version
- Release Date
- 1990
- Published By
- Professional Standard - Agriculture
- Latest
-
GB 12298-1990
- Replace
-
NY/T 148-1990
- Scope
- This standard specifies the curcumin absorbance method for the determination of available boron in soil. This standard applies to the determination of available boron in various types of soil.
GB 12298-1990 history
GB 12298-1990 Soil Available Boron Determination Method has been changed from NY/T 148-1990 Method for the determination of available phosphorus in calcarcous soil.