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  • BSI
    BS ISO 21263:2017 Slow-release fertilizers. Determination of the release of the nutrients. Method for coated fertilizers
    Edition: 2018
    $348.62
    / user per year

Description of BS ISO 21263:2017 2018

This document 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 can be used provided they are correlated with this document. An example of such an accelerated method is described in Annex B. Regression analysis can also be used for this purpose.



Standard NumberBS ISO 21263:2017
TitleSlow-release fertilizers. Determination of the release of the nutrients. Method for coated fertilizers
StatusUnder Review
Publication Date2018-01-11
Identical National Standard OfISO 21263:2017
DescriptorsDigestive system, Personal health, Nutrition, Rates, Diet
ICS65.080 Fertilizers
CommitteeCII/37
ISBN978 0 580 92766 9
PublisherBSI
Pages16



About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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