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  • John Kempf

    January 3, 2023 at 6:37 am

    You might consider using rice hills as replacement for perlite in the mix as a partial source.

    I would suggest supplying potassium silicate or a silicon product as a foliar in the greenhouse, since they are in a mostly organic media.

    The additional silicon will produce much harder leaf exteriors and reduce water loss and transplant shock.