NY/T 798-2015 PDF English
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Compound microbial fertilizers
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NY/T 798-2015: Compound microbial fertilizers---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/NYT798-2015
NY
AGRICULTURAL INDUSTRY STANDARD
ICS 65.080
B 10
Replacing NY/T 798-2004
Compound microbial fertilizers
Issued on. MAY 21, 2015
Implemented on. AUGUST 01, 2015
Issued by. Ministry of Agriculture of PRC
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative references... 4
3 Terms and definitions... 4
4 Requirements... 5
5 Test method... 6
6 Inspection rules... 7
7 Packaging, labeling, transportation, storage... 9
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces NY/T 798-2004 "Compound microbial fertilizers".
Compared with NY/T 798-2004, except for editorial changes, the main technical
changes are as follows.
- MODIFY the requirements for quality score of total nutrients;
- MODIFY the requirements for pH range;
- MODIFY the requirements for limit index of arsenic (As), cadmium (Cd),
lead (Pb), chromium (Cr), mercury (Hg), in products;
- MODIFY the judgment rules;
- ADD the requirements for the limit value of each single nutrient, in the total
nutrient;
- ADD the technical index requirements for organic matter;
- DELETE the technical index requirements for fineness;
- STANDARDIZE the references such as product testing methods.
This standard was proposed by AND shall be under the jurisdiction of the
Plantation Management Department of the Ministry of Agriculture.
Drafting organizations of this standard. Microbial Fertilizer and Edible Fungus
Quality Supervision and Inspection Center of Ministry of Agriculture, Microbial
Product Quality and Safety Risk Assessment Laboratory (Beijing) of Ministry of
Agriculture, Institute of Agricultural Resources and Agricultural Regional
Planning of Chinese Academy of Agricultural Sciences.
The main drafters of this standard. Jiang Xin, Li Jun, Ma Mingchao, Shen
Delong, Guan Dawei, Cao Fengming, Li Li, Chen Huijun, Yang Xiaohong, Wang
Zhanhua.
This standard replaces the standard previously issued as follows.
- NY/T 798-2004.
Compound microbial fertilizers
1 Scope
This standard specifies the terms and definitions, requirements, test methods,
inspection rules, markings, packaging, transportation, storage of compound
microbial fertilizers.
This standard applies to compound microbial fertilizers.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) is applicable to this standard.
GB/T 8170 Rules of rounding off for numerical values & expression and
judgement of limiting values
GB/T 19524.1 Determination of fecal coliforms in fertilizers
GB/T 19524.2 Determination of mortality of ascarid egg in fertilizers
3 Terms and definitions
The terms and definitions as defined in NY/T 1113, as well as the following
terms and definitions, apply to this document.
3.1
Compound microbial fertilizers
The live microbial products that are compounded by specific microorganisms
and nutrients; can provide, maintain or improve plant nutrition; increase the
yield of agricultural products OR improve the quality of agricultural products.
4 Requirements
4.1 Bacterial species
The microbial species used shall be safe and effective. The producer shall
provide a classification and identification report of the bacterial species,
including complete information such as the scientific name of the genus and
species, morphology, physiological and biochemical characteristics,
4.2 Appearance (sensory)
Homogeneous liquid or solid. Suspended liquid products shall not have a large
amount of precipitation; the precipitation shall be evenly dispersed after gentle
shaking. Powder products shall be loose. Granular products shall be free of
obvious mechanical impurities AND uniform in size.
4.3 Technical index
The technical index of the compound microbial fertilizer shall meet the
requirements of Table 1.Product dosage forms are divided into liquid and solid.
The solid dosage forms include powder and granular forms.
5 Test method
5.1 General requirements
The preparation of reagents, water and solutions, which are used in this
standard, shall be carried out in accordance with HG/T 2843, unless otherwise
the specification and preparation method are indicated.
The digital rounding of product technical indicators and the qualification of
product quality, in this standard, shall comply with the provisions of GB/T 8170.
5.6 Determination of organic matters
It is performed according to the requirements of NY 525.
5.7 Determination of the count of fecal coliform bacteria
It is performed according to the requirements of GB/T 19524.1.For the retrieval
table for the determination process and the most probable number (MPN) of
fecal coliform count, please refer to Appendix D of NY/T 2321.
5.8 Determination of the death rate of ascarid eggs
It is performed according to the requirements of GB/T 19524.2.
5.9 Determination of Arsenic (As), cadmium (Cd), lead (Pb), chromium (Cr)
mercury (Hg)
It is performed according to the requirements of NY/T 1978.
6 Inspection rules
6.1 Inspection classification
6.1.1 Exit-factory inspection
When the product is exit-factory, it shall be inspected by the quality inspection
department of the manufacturer, according to Table 1.The expiration date is not
inspected, during the exit-factory inspection.
6.2 Sampling
6.2.1 General
Treat the products, which are processed from each fermenter's bacteria liquid
(or each batch of solid fermentation), as a batch, to carry out the sampling
inspection, during which it shall strictly avoid contamination from miscellaneous
bacteria.
6.2.2 Sampling tools
Sterile plastic bags (bottles), metal spoons, samplers, measuring cylinders,
kraft paper bags, glue, sampling seals, sampling sheets, etc.
6.3 Judgment rules
Products, that meet the requirements of technical index and harmlessness
index, are qualified products.
7 Packaging, labeling, transportation, storage
7.1 Packaging
Choose appropriate packaging materials, containers, forms, methods,
according to different product dosage forms, to meet the basic requirements of
product packaging. The product packaging shall contain the product
qualification and instructions for use. In the instruction for use, it shall indicate
the scope of use, methods, dosage, precautions.
7.2 Markings
The content, which are marked on the label, shall comply with the provisions of
national laws and regulations.
7.2.3 Implemented standard of product
It shall indicate the standard number implemented by the product.
7.2.4 Registration certificate number of product
It shall indicate the valid registration certificate number of product.
7.2.5 Name and address of manufacturer
It shall indicate the name, address, postal code, contact number of the
manufacturer, who has been registered in accordance with the law AND can
bear the responsibility for product quality.
7.2.6 Date of production or production batch number
It shall indicate the production date or production batch number of the product,
on the production certificate or product packaging.
7.2.7 Shelf life
Use "shelf life _____ months (or years)" for presentation.
7.3 Transportation
There shall be covers, during transportation, to prevent exposure to rain, sun,
high temperature. Take appropriate measures, when the temperature is below
0 °C, to ensure product quality.
NY/T 798-2015
NY
AGRICULTURAL INDUSTRY STANDARD
ICS 65.080
B 10
Replacing NY/T 798-2004
Compound microbial fertilizers
Issued on. MAY 21, 2015
Implemented on. AUGUST 01, 2015
Issued by. Ministry of Agriculture of PRC
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative references... 4
3 Terms and definitions... 4
4 Requirements... 5
5 Test method... 6
6 Inspection rules... 7
7 Packaging, labeling, transportation, storage... 9
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces NY/T 798-2004 "Compound microbial fertilizers".
Compared with NY/T 798-2004, except for editorial changes, the main technical
changes are as follows.
- MODIFY the requirements for quality score of total nutrients;
- MODIFY the requirements for pH range;
- MODIFY the requirements for limit index of arsenic (As), cadmium (Cd),
lead (Pb), chromium (Cr), mercury (Hg), in products;
- MODIFY the judgment rules;
- ADD the requirements for the limit value of each single nutrient, in the total
nutrient;
- ADD the technical index requirements for organic matter;
- DELETE the technical index requirements for fineness;
- STANDARDIZE the references such as product testing methods.
This standard was proposed by AND shall be under the jurisdiction of the
Plantation Management Department of the Ministry of Agriculture.
Drafting organizations of this standard. Microbial Fertilizer and Edible Fungus
Quality Supervision and Inspection Center of Ministry of Agriculture, Microbial
Product Quality and Safety Risk Assessment Laboratory (Beijing) of Ministry of
Agriculture, Institute of Agricultural Resources and Agricultural Regional
Planning of Chinese Academy of Agricultural Sciences.
The main drafters of this standard. Jiang Xin, Li Jun, Ma Mingchao, Shen
Delong, Guan Dawei, Cao Fengming, Li Li, Chen Huijun, Yang Xiaohong, Wang
Zhanhua.
This standard replaces the standard previously issued as follows.
- NY/T 798-2004.
Compound microbial fertilizers
1 Scope
This standard specifies the terms and definitions, requirements, test methods,
inspection rules, markings, packaging, transportation, storage of compound
microbial fertilizers.
This standard applies to compound microbial fertilizers.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) is applicable to this standard.
GB/T 8170 Rules of rounding off for numerical values & expression and
judgement of limiting values
GB/T 19524.1 Determination of fecal coliforms in fertilizers
GB/T 19524.2 Determination of mortality of ascarid egg in fertilizers
3 Terms and definitions
The terms and definitions as defined in NY/T 1113, as well as the following
terms and definitions, apply to this document.
3.1
Compound microbial fertilizers
The live microbial products that are compounded by specific microorganisms
and nutrients; can provide, maintain or improve plant nutrition; increase the
yield of agricultural products OR improve the quality of agricultural products.
4 Requirements
4.1 Bacterial species
The microbial species used shall be safe and effective. The producer shall
provide a classification and identification report of the bacterial species,
including complete information such as the scientific name of the genus and
species, morphology, physiological and biochemical characteristics,
4.2 Appearance (sensory)
Homogeneous liquid or solid. Suspended liquid products shall not have a large
amount of precipitation; the precipitation shall be evenly dispersed after gentle
shaking. Powder products shall be loose. Granular products shall be free of
obvious mechanical impurities AND uniform in size.
4.3 Technical index
The technical index of the compound microbial fertilizer shall meet the
requirements of Table 1.Product dosage forms are divided into liquid and solid.
The solid dosage forms include powder and granular forms.
5 Test method
5.1 General requirements
The preparation of reagents, water and solutions, which are used in this
standard, shall be carried out in accordance with HG/T 2843, unless otherwise
the specification and preparation method are indicated.
The digital rounding of product technical indicators and the qualification of
product quality, in this standard, shall comply with the provisions of GB/T 8170.
5.6 Determination of organic matters
It is performed according to the requirements of NY 525.
5.7 Determination of the count of fecal coliform bacteria
It is performed according to the requirements of GB/T 19524.1.For the retrieval
table for the determination process and the most probable number (MPN) of
fecal coliform count, please refer to Appendix D of NY/T 2321.
5.8 Determination of the death rate of ascarid eggs
It is performed according to the requirements of GB/T 19524.2.
5.9 Determination of Arsenic (As), cadmium (Cd), lead (Pb), chromium (Cr)
mercury (Hg)
It is performed according to the requirements of NY/T 1978.
6 Inspection rules
6.1 Inspection classification
6.1.1 Exit-factory inspection
When the product is exit-factory, it shall be inspected by the quality inspection
department of the manufacturer, according to Table 1.The expiration date is not
inspected, during the exit-factory inspection.
6.2 Sampling
6.2.1 General
Treat the products, which are processed from each fermenter's bacteria liquid
(or each batch of solid fermentation), as a batch, to carry out the sampling
inspection, during which it shall strictly avoid contamination from miscellaneous
bacteria.
6.2.2 Sampling tools
Sterile plastic bags (bottles), metal spoons, samplers, measuring cylinders,
kraft paper bags, glue, sampling seals, sampling sheets, etc.
6.3 Judgment rules
Products, that meet the requirements of technical index and harmlessness
index, are qualified products.
7 Packaging, labeling, transportation, storage
7.1 Packaging
Choose appropriate packaging materials, containers, forms, methods,
according to different product dosage forms, to meet the basic requirements of
product packaging. The product packaging shall contain the product
qualification and instructions for use. In the instruction for use, it shall indicate
the scope of use, methods, dosage, precautions.
7.2 Markings
The content, which are marked on the label, shall comply with the provisions of
national laws and regulations.
7.2.3 Implemented standard of product
It shall indicate the standard number implemented by the product.
7.2.4 Registration certificate number of product
It shall indicate the valid registration certificate number of product.
7.2.5 Name and address of manufacturer
It shall indicate the name, address, postal code, contact number of the
manufacturer, who has been registered in accordance with the law AND can
bear the responsibility for product quality.
7.2.6 Date of production or production batch number
It shall indicate the production date or production batch number of the product,
on the production certificate or product packaging.
7.2.7 Shelf life
Use "shelf life _____ months (or years)" for presentation.
7.3 Transportation
There shall be covers, during transportation, to prevent exposure to rain, sun,
high temperature. Take appropriate measures, when the temperature is below
0 °C, to ensure product quality.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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