scope:

This document describes a method for the determination of and the dimensions measured of the bulk density of pre-shaped growing media. In this document, "pre-shaped growing media": - includes solid, regular shaped, stable growing media sold, which are ready for use as a growing media, where the dimensions and any corners are stable; - does not include plugs; - does not include solid growing media that has to be hydrated for it to form, varies in dimension with varying water content - for example, coir or peat slabs or growing bags.