
Fertilizers and soil conditioners — Controlled-release fertilizer — General requirements
NORM herausgegeben am 7.4.2016
Bezeichnung normen: ISO 18644:2016
Ausgabedatum normen: 7.4.2016
Zahl der Seiten: 6
Gewicht ca.: 18 g (0.04 Pfund)
Land: Internationale technische Norm
Kategorie: Technische Normen 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.