Promulgation of Key Quality Criteria for Biological Root Fertilizers in Vietnam

02:47, 10/07/2024

The details of this content are stipulated in Circular 09/2019/TT-BNNPTNT promulgating the National Technical Regulations on fertilizer quality in Vietnam.

Currently, biological fertilizers in Vietnam include:

- Fertilizers composed solely of biological substances (biological fertilizers);

- Fertilizers composed solely of beneficial microorganisms (microbial fertilizers);

- Fertilizers composed of both biological substances and beneficial microorganisms (bio-microbiological fertilizers).

main quality criteria for root application biological fertilizers, Circular 09/2019/TT-BNNPTNT

Illustrative image (source: internet)

Main quality criteria and acceptable deviation from the registered level for the main quality criteria for root application biological fertilizers are specified in Table 20 of the Appendix issued with Circular 09/2019/TT-BNNPTNT. To be specific:

No.	Type of Fertilizer	Main Quality Criteria				Acceptable Deviation from the Registered Level for Main Quality Criteria⁽¹⁾
		Quality Criteria		Unit of Measure	Specified Level
1	Biological Fertilizer	One or more criteria	Humic acid content or fulvic acid content or total humic and fulvic acid content	% carbon weight	≥ 2	≥ 93%
1	Biological Fertilizer	One or more criteria	Amino acid(²⁾ content or vitamin⁽³⁾ content or other biological substances⁽⁴⁾	% weight	- -	≥ 90%
2	Microbial Fertilizer	One or more criteria	Density of beneficial microorganisms⁽⁵⁾	CFU/g or CFU/ml	≥ 1x10⁸	≥ 10%
2	Microbial Fertilizer	One or more criteria	Density of symbiotic root fungi⁽⁶⁾	IP/g	≥ 10²	≥ 10%
3	Bio-Microbiological Fertilizer	One or more criteria	Humic acid content or fulvic acid content or total humic and fulvic acid content	% carbon weight	≥ 2	≥ 90%
		One or more criteria	Amino acid content or vitamin content or other biological substances	% weight	- -	≥ 90%
		One or more criteria	Density of beneficial microorganisms	CFU/g or CFU/ml	≥ 1x10⁷	≥ 10%
		One or more criteria	Density of symbiotic root fungi	IP/g	≥ 10²	≥ 10%

Notes:

- (1) Acceptable deviation from the registered level for the main quality criteria (%) = (Value based on test results calculated in the unit of the registered level/Registered level) x 100;

- (2) Amino acid: also known as amino acid or amino acid, can be substituted with specific amino acid names (glycine, lysine, serine, ...) along with the corresponding content of each amino acid;

- (3) Vitamin: can be substituted with specific vitamin names (vitamin A, vitamin B1, vitamin B6, ...) along with the corresponding content of each vitamin;

- (4) Other biological substances: names of biological substances registered by the organization or individual with fertilizers and recognized in the Fertilizer Recognition Decision for circulation in Vietnam for each specific fertilizer;

- (5) Beneficial microorganisms include cellulose-decomposing microorganisms (organic compound-decomposing microorganisms), nitrogen-fixing microorganisms (nitrogen-fixing bacteria), phosphorus-decomposing microorganisms (insoluble phosphorus compound-decomposing microorganisms), and other beneficial microorganisms recognized for each specific fertilizer in the Fertilizer Recognition Decision for circulation in Vietnam;

- (6) Symbiotic root fungi include endomycorrhizal fungi (Mycorrhiza), ectomycorrhizal fungi;

- (- -) Content registered and recognized by the organization or individual with fertilizers for each specific fertilizer in the Fertilizer Recognition Decision for circulation in Vietnam.

See the full text of the regulation at Circular 09/2019/TT-BNNPTNT, effective from January 1, 2020.

Thu Ba

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