
Fertilizers and soil conditioners — Controlled-release fertilizer — General requirements
NORMA vydaná dňa 7.4.2016
Designation standards: ISO 18644:2016
Publication date standards: 7.4.2016
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: International technical standard
Kategória: Technické normy ISO
Description / Abstract: 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.