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Publishers
CEN
EN 13266:2001

EN 13266:2001

Current

Current

The latest, up-to-date edition.

Slow-release fertilizers - Determination of the release of the nutrients - Method for coated fertilizers

Published date

24-10-2001

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Sampling
7 Procedure
8 Expression of results
9 Precision
10 Test report
Annex A (normative) Criteria for release conditions
Annex B (informative) Accelerated test method based
        on a elevated temperature
Bibliography

This European Standard specifies a method for the determination of the slow release properties of nutrients from coated fertilizers. pH-dependent hydrolysis and degradation by biological or microbial mechanisms are excluded.The specified method is only applicable to products releasing any nutrients by means of a non-biological process (i.e. those where the nutrients are released by a physical mechanism). Microbial attack on the coating (e.g. sulfur coated fertilizers) and the consequences thereof are not measurable by the technique described.This method involves a lengthy process which may not be appropriate for day to day testing purposes. Accelerated methods may be used provided they are correlated with this standard. An example of such an accelerated method is described in annex B. Regression analysis may also be used for this purpose.

Committee
CEN/TC 260
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

Standards Relationship
PN EN 13266 : 2003 Identical
UNI EN 13266 : 2002 Identical
NEN EN 13266 : 2001 Identical
BS EN 13266:2001 Identical
SN EN 13266 : 2001 Identical
NBN EN 13266 : 2002 Identical
UNE-EN 13266:2002 Identical
I.S. EN 13266:2002 Identical
NS EN 13266 : 1ED 2002 Identical
NF EN 13266 : 2002 Identical
DIN EN 13266:2002-03 Identical

BS ISO 18644:2016 Fertilizers and soil conditioners. Controlled-release fertilizer. General requirements
ISO 18644:2016 Fertilizers and soil conditioners Controlled-release fertilizer General requirements
15/30280959 DC : 0 BS ISO 18644 - FERTILIZERS AND SOIL CONDITIONERS - CONTROLLED RELEASE FERTILIZER - GENERAL REQUIREMENTS

EN 1482:1996/AC:1996 SAMPLING OF SOLID FERTILIZERS AND LIMING MATERIALS
ISO 5725:1986 Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
EN ISO 3696:1995 Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)

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