1 Scope
This document specifies general requirements, analytical methods, sampling and preparation
of test sample, marking and labelling, packaging, transport and storage for liquid methylene-urea slow release fertilizers .
This document applies to pure liquid slow release fertilizers, i.e. methylene urea
(MU).
This document does not apply to mixtures of nitrogenous fertilizers containing liquid
slow release fertilizers.
BS ISO 6181:2023 history
2023BS ISO 6181:2023 Fertilizers and soil conditioners. Liquid methylene-urea slow release fertilizers. General requirements