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ISO 18645:2016
Fertilizers and soil conditioners - Water soluble fertilizer - General requirements
ISO 18645:2016 specifies the requirements for testing methods, sampling and preparation of test sample, marking and labelling, as well as package, transport, and storage of water soluble fertilizers.
ISO 18645:2016 is applicable to water soluble fertilizers which are completely soluble in water and are suitable for fertigation and sprinkling irrigation, as well as for foliar application (foliar feeding).
International Organization for Standardization [iso]
