Tomatoes 5-1-1 mix

ppmaryMay 22, 2012

I have Espoma's Organic Garden Lime, which does contain magnesium.

Two questions..at what rate should it be added and is additional epsom salt necessary?

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edweather(Zone 5a/b Central NY)

IMO additional epsom salts are not necessary, and the amount of lime is 1 tablespoon per gallon of 511 mix.

    Bookmark   May 22, 2012 at 6:01PM
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redshirtcat(6a MO StL)

Note that the garden lime is being used here to adjust the pH up slightly. It will provide some Ca and Mg but likely not enough and not in the correct proportion for Ca hungry tomatoes (unless you have high levels of Ca in your water or something).

I'd make sure whatever fertilizer you use has Ca and Mg in something like a 4:1 ratio or find something like Cal-Mag to add to a fertilizer that doesn't have them (or make your own with calcium nitrate and magnesium nitrate).

    Bookmark   May 23, 2012 at 8:13PM
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