Information and discussion regarding garden diseases, insects and other unwelcome critters.
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June 29, 2014 | #16 |
Tomatovillian™
Join Date: Jun 2010
Location: Cheektowaga, NY
Posts: 2,464
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An amorphous silicon dioxide like Diatomaceous Earth would provide a slow release of silicic acid. Faster that a crystalline form, but still pretty slow.
Quick available silicic acid sources would be Pyrophyllitic clay, a natural rare earth source containing largely silicate salts and a wide range of other minerals. Otherwise Potassium Silicate which is widely available for agriculture and hydroponics. |
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