This standard specifies the determination method of soil phosphatase, including principles, reagents and solutions, instruments and equipment, analysis steps, result calculation and precision. This standard is applicable to the determination of various soil phosphatases.
T/NAIA 012-2020 history
2020T/NAIA 012-2020 Determination of Soil Phosphatase Activity by Colorimetric Method of Disodium Phenyl Phosphate