The Q&A Archives: Question From Gardener's Supply

Question: Date: Wed, 14 Jun 2000 16:40:39 -0400
Subject: Gardener's Q and A [T200006140086Z50783]
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Tracking Number : T200006140086Z50783
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Date : 6/14/00 4:42 PM

Question recieved from:
Robert Shafer
Tucson, Arizona 85739
County: Pinal
Country: USA
Mailing list (nothing means 'no'):

Category: Vegetables
What brand or tradename dolomitic limestone products are available in
small quantities for use in raised bed tomatoe gardens?

Answer: Since limestone raises the pH (or alkalinity) of soil, and since our desert soils are already highly alkaline (8.0 - 8.5), it's not recommended to add more limestone to our soils. Dolomitic limestone does contain a trace of magnesium, but so do many balanced fertilizers and magnesium deficiencies are not terribly common here. I'm not sure of brands available. You might want to check with a full-service nursery. If they don't offer it, they can probably order from the supplier.

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