This standard specifies test methods for the determination of phosphorus and potassium content of soil conditioners. This standard is applicable to the determination of phosphorus and potassium content of soil conditioners.
NY/T 2273-2012 Referenced Document
HG/T 2843 Chemical fertilezer products-standard volumetrie,standard,reagent and indicator solutions for chemical analysis
NY/T 887 Liquid fertilizers.Determination of density
NY/T 2273-2012 history
2012NY/T 2273-2012 Soil amendment.Determination of phosphorus and potassium content