| http://www.w3.org/ns/prov#value | - Soilless mediums can contain peat moss asan ingredient along with worm castings, perlite, etc.Here is a simple example of a Soilless mix:50% Perlite50% VermiculiteHeres another:40% Worm Castings30% Perlite30% VermiculiteSoilless mixes are great, but can cause problems.
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