For what it's worth, this is the same method I use for growing banana seeds. The only difference is I prefer using a smaller grain size, similar to pool filter sand.
Quote:
Originally Posted by PR-Giants
Anyone that's been in a greenhouse has seen how roots behave in a zone of high humidity. Replicating that in a pot of coarse sand is very simple and can be accomplished with many different materials. I prefer a material that can be placed on top of the coarse sand and is easily molded to shape, retains high aeration levels (which means it has structure), retains a high moisture level for an extended period of time, is biodegradable but doesn't degrade quickly, and provides a perfect environment to promote maximum root growth.
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