GB/T 8573-2017
ActiveDetermination of available phosphorus content for compound fertilizers
复混肥料中有效磷含量的测定
Application Summary AI generated
This standard specifies the test method for determining the available phosphorus content in compound fertilizers, using a gravimetric or volumetric approach after extraction with a neutral ammonium citrate solution. It is applied in the quality control and regulatory testing of compound fertilizers within China's agricultural industry, ensuring accurate labeling of phosphorus content for soil nutrient management. The standard is critical for manufacturers, inspection agencies, and agricultural departments to verify fertilizer efficacy and compliance with national specifications.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.