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GB/T 41729-2022Code of practice for quality control for production of composite microbial fertilizers (English PDF)

复合型微生物肥料生产质量控制技术规程

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 14, 2022

Implementation date

May 1, 2023

Scope

GB/T 41729-2022 is the English-translated version of 复合型微生物肥料生产质量控制技术规程.

GB/T 41729-2022 is the Chinese code of practice for controlling quality while compound microbial fertilizers are being made.

It sets out the general rules, the environmental conditions the production site has to meet, the elements that quality control has to cover and the methods used to control them, and the requirements for packing, transport, storage and record keeping.

It applies to production quality control of compound microbial fertilizer products.

Its normative references bring in the ambient air and surface water quality standards, the fertilizer labelling and hazardous substance limit standards, product standards for compound, blended and bio-organic fertilizers and microbial inoculants, and the analytical methods for trace elements, calcium, magnesium and sulfur, tetracyclines and free amino acids. It was issued on 14 October 2022 and has applied since 1 May 2023.

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Document preview — GB/T 41729-2022

National Standard of the People's Republic of China

ICS: 65.080
Classification: B 10

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative references

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" drafted.

1 Scope

This document specifies the compound general rules, production environmental conditions, quality control elements, quality control methods, and packaging of compound microbial fertilizers. Packing, transportation, storage and recording requirements.

This document applies to the production quality control of compound microbial fertilizer products.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB 3095 Ambient Air Quality Standard

GB 3838 Environmental Quality Standard for Surface Water

GB/T 6274 Terminology of Fertilizers and Soil Conditioners

GB/T 14540 Determination of copper, iron, manganese, zinc, boron and molybdenum content in compound fertilizers

GB/T 15063 Compound Fertilizer

GB 18382 Fertilizer Labeling Content and Requirements

GB/T 19203-2003 Determination of calcium, magnesium and sulfur content in compound fertilizers

GB 20287 Agricultural microbial inoculants

GB/T 21633 Blended fertilizer (BB fertilizer)

GB/T 32161 General Principles of Eco-design Product Evaluation

GB/T 32951 Determination of Oxytetracycline, Tetracycline, Chlortetracycline and Doxycycline in Organic Fertilizers by High Performance Liquid Chromatography

GB/T 33804 Agricultural potassium humate

GB/T 34764 Determination of copper, iron, manganese, zinc, boron and molybdenum content in fertilizers by plasma emission spectrometry

GB 38400 Limit Requirements for Toxic and Hazardous Substances in Fertilizers

GB/T 41728 General Guidelines for Quality and Safety Evaluation of Microbial Fertilizers

HJ 1088 Technical guide for self-monitoring of pollutant discharge units. Phosphate fertilizers, potash fertilizers, compound fertilizers, organic fertilizers and microbial fertilizers

NY/T 525 Organic Fertilizer

NY/T 798 Compound Microbial Fertilizer

NY/T 883 Technical regulations for the production of agricultural microbial inoculants

NY 884 Bio-organic fertilizer

NY 885 Agricultural Microbial Product Labeling Requirements

NY/T 1113 Microbial Fertilizer Terminology

NY/T 1117-2010 Determination of calcium, magnesium, sulfur and chlorine content in water-soluble fertilizers

NY/T 1847 General technical requirements for quality evaluation of microbial fertilizer production strains

NY/T 1975 Determination of free amino acid content in water-soluble fertilizers

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

NY/T 525 · NY 884 · NY 885

Similar standards

GB/T 19203-2026|GB/T 30393-2026|GB/T 47386-2026|GB/T 33804-2025|GB/T 46111-2025|GB/T 46293-2025

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