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13/08/2012 at 07:15

Most potted tropical foliage plants for indoor use are grown
in peat-based media, usually sphagnum peat. Sphagnum
peat has desirable characteristics for use in soilless growing
media including high cation-exchange and water-holding
capacities, a structure that allows good aeration, and resistance
to decomposition. However, peat is difficult to
re-wet after it dries and when wet provides an environment
that is conducive to fungus gnat development.

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