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ISO 18644:2016

Current Date published:

Fertilizers and soil conditioners — Controlled-release fertilizer — General requirements

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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Related Information

Similar Standards

  • BS 5551-2.1:1993

    Fertilizers. Sampling, Simple sampling method for small lots of solid fertilizer

  • BS 5551-2.10:1993

    Fertilizers. Sampling, Method of checking the performance of mechanical devices for sampling of solid fertilizer moving in bulk

  • BS 5551-2.2:1984

    Fertilizers. Sampling, Presentation of sampling reports

  • BS 5551-2.3:1978

    Fertilizers. Sampling, Sampling from a conveyor by stopping the belt [reference method]

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ISO 18644:2016

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