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ISO 18644:2016

Fertilizers and soil conditioners — Controlled-release fertilizer — General requirements ISO 18644:2016

Publication date:   Apr 7, 2016

General information

90.20   Standard under periodical review   Jul 15, 2026

ISO

ISO/TC 134 Fertilizers, soil conditioners and beneficial substances

International Standard

65.080   Fertilizers

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Scope

ISO 18644:2016 specifies the requirements for testing methods, sampling and preparation of test sample, marking and labelling, as well as package, transport, and storage of controlled-release fertilizer.
ISO 18644:2016 is applicable to controlled-release products having one or more primary fertilizer nutrient (nitrogen and/or phosphorous and/or potassium) in a controlled-release form. They can be made by bulk blending (BB) fertilizers or by special processes.

Life cycle

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PUBLISHED
ISO 18644:2016
90.20 Standard under periodical review
Jul 15, 2026




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