GSO ISO 18644:2021
ISO 18644:2016
Gulf Standard
Current Edition
·
Approved on
01 July 2021
Fertilizers and soil conditioners — Controlled-release fertilizer — General requirements
GSO ISO 18644:2021 Files
Arabic
8 Pages
Current Edition
30.47 OMR
English
6 Pages
Current Edition
Reference Language
20.16 OMR
GSO ISO 18644:2021 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.
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