Plant growth medium containing vegetable fibres

摘要

A plant growth medium comprises a fibrous substantially non-humified vegetable material which has been comminuted to a mean fibre length of less than 100 mms. Preferably, the composition also contains a digested animal waste. The invention also provides compressed and uncompressed compositions for use in the method of the invention and plant growth modules which comprise compressed bodies of the compositions in a loose fitting bag. Upon watering of the composition, it swells to provide a friable growth medium within the container.