Table of Principal Quality Criteria for Biological Fertilizer for Soil Improvement and Root Application in Vietnam

02:47, 10/07/2024

Below is the latest content issued by the Minister of Agriculture and Rural Development of Vietnam in Circular 09/2019/TT-BNNPTNT stipulating the National Technical Regulation on the quality of fertilizers.

Primary quality indicators and allowable deviation levels compared to registered levels for primary quality indicators for soil conditioning biological fertilizers in Vietnamare specified in Circular 09/2019/TT-BNNPTNT in the following table:

Primary quality indicator for soil conditioning biological fertilizers, Circular 09/2019/TT-BNNPTNT

Illustration (source: internet)

No.	Type of fertilizer	Primary quality indicators				Allowable deviation level compared to registered levels for primary quality indicators⁽¹⁾
		Indicator name		Unit	Regulated level
1	Soil conditioning biological fertilizer	One or multiple indicators	Biological content⁽²⁾ (improving soil properties)	%	- -	≥ 90%
			Density of beneficial microorganisms⁽³⁾ (improving soil properties)	CFU/g or	- -	≥ 10%
				CFU/ml
			Density of symbiotic mycorrhiza⁽⁴⁾ (improving soil properties)	IP/g	- -	≥ 20%

Notes:

- (1) Allowable deviation level compared to registered levels for primary quality indicators (%) = (Value according to test result in registered unit/Registered level) x 100;

- (2) Other biological content: the name of the biological substance as registered by the organization or individual with the fertilizer and recognized in the Decision recognizing the circulation of the fertilizer in Vietnam for each specific fertilizer;

- (3) Beneficial microorganisms include cellulose-decomposing microorganisms (organic compound-decomposing microorganisms), nitrogen-fixing microorganisms, phosphate-decomposing microorganisms (phosphate compound-decomposing microorganisms), potassium-decomposing microorganisms, and other beneficial microorganisms recognized for each specific fertilizer in the Decision recognizing the circulation of the fertilizer in Vietnam;

- (4) Symbiotic mycorrhiza include endomycorrhiza (Mycorrhiza) and ectomycorrhiza;

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

See additional regulations in Circular 09/2019/TT-BNNPTNT, which takes effect from January 01, 2020.

Thu Ba

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