Fertilizers and soil conditioners — Controlled-release fertilizer — General requirements
NORMA vydaná dňa 7.4.2016
Označenie normy: ISO 18644:2016
Dátum vydania normy: 7.4.2016
Počet strán: 6
Približná hmotnosť: 18 g (0.04 libier)
Krajina: Medzinárodná technická norma
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.