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GB/T 41727-2022Code of practice for functional evaluation of microbial inoculants in agriculture (English PDF)

农用微生物菌剂功能评价技术规程

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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 41727-2022 is the English-translated version of 农用微生物菌剂功能评价技术规程.

GB/T 41727-2022 sets out how the function of an agricultural microbial inoculant is to be evaluated.

It specifies the requirements for the inoculant samples, the content of the evaluation, the evaluation procedure, the evaluation items and their determination methods, how the result is decided and the format of the evaluation report, and it applies to the functional evaluation of agricultural microbial inoculants.

The determination methods come from the documents it cites, among them GB 20287 for agricultural microbial inoculants, GB/T 41728 for the quality and safety evaluation of microbial fertilizers, GB/T 40226 for metagenome detection by high-throughput sequencing, the several parts of NY/T 1121 for soil testing, NY/T 1536 for field trials and NY/T 2321 for inspection rules. Issued on 14 October 2022, it has applied since 1 May 2023.

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Document preview — GB/T 41727-2022

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 requirements for inoculum samples, evaluation content, evaluation procedures, evaluation items and determination methods for the functional evaluation of agricultural microbial inoculants. method, result determination and evaluation report format.

This document applies to the functional evaluation of agricultural microbial inoculants.

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 5009.268 National Food Safety Standard for Determination of Multielements in Food

GB 20287 Agricultural microbial inoculants

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

GB/T 40226 Environmental Microbial Metagenome Detection High-throughput Sequencing Method

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

NY/T 295 Determination of cation exchange capacity and exchangeable base in neutral soil

NY/T 395 Technical Specifications for Monitoring Farmland Soil Environmental Quality

NY/T 525 Organic Fertilizer

NY/T 1121.1 Soil Testing Part 1: Collection, Handling and Storage of Soil Samples

NY/T 1121.2 Soil Testing Part 2: Determination of Soil pH

NY/T 1121.4 Soil Testing Part 4: Determination of Soil Bulk Density

NY/T 1121.5 Soil Testing Part 5: Determination of Cation Exchange Capacity in Calcareous Soils

NY/T 1121.6 Soil Testing Part 6: Determination of Soil Organic Matter

NY/T 1121.16 Soil Testing Part 16: Determination of Total Soil Water-Soluble Salts

NY/T 1121.19 Soil Testing Part 19: Determination of Soil Water Stable Macroaggregate Composition

NY/T 1536 Microbial Fertilizer Field Test Technical Regulations and Fertilizer Efficiency Evaluation Guidelines

NY/T 1735 Technical Specification for Quality Evaluation of Rhizobium Production Strains

NY/T 1736 Technical Specification for Identification of Microbial Fertilizers

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

NY/T 2272 Determination of calcium, magnesium and silicon content of soil conditioners

NY/T 2321 Inspection Rules for Microbial Fertilizer Products

NY/T 2722 Technical regulations for evaluating the decomposing effect of straw decomposing inoculants

NY/T 3082 Spectrophotometric method for the determination of chlorophyll content in fruits, vegetables and their products

NY/T 3442 Technical Specification for Composting of Livestock and Poultry Manure

NY/T 3606 Technical Specification for Quality Identification and Quality Control of Agricultural Products with Geographical Indication Cereals

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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 295 · NY/T 525

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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