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Plant substrate containing volcanic rock, lignite and optionally composted bark and zeolites for use in cultivating plants both indoors e.g. in pots and outside e.g. in roof gardens
Plant substrate containing volcanic rock, lignite and optionally composted bark and zeolites for use in cultivating plants both indoors e.g. in pots and outside e.g. in roof gardens
A plant substrate containing volcanic rock or rock mixture, preferably in granular form, and lignite is new. An Independent claim is also included for replacing part of the lignite with composted bark. The substrate may also contain zeolites.
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