ISO 19670 pdf download

ISO 19670 pdf download Fertilizers and soil conditioners — Solid urea aldehyde slow release fertilizer — General requirements This document specifies general requirements, analytical methods, sampling and preparation of testsample, marking and labelling, packaging, transport and storage for solid urea aldehyde slow releasefertilizer. This document applies to pure solid urea aldehyde slow release fertilizer, i.e.urea formaldehyde (UF),methylene urea (MU), crotonylidene...