Question From Gardener's Supply - Knowledgebase Question

Name: Grist David
Avatar for davidg4
Question by davidg4
June 14, 2000
Date: Wed, 14 Jun 2000 16:40:39 -0400
From: [email protected]
Subject: Gardener's Q and A [T200006140086Z50783]
To: [email protected]
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Tracking Number : T200006140086Z50783
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Sent to : <[email protected]>
Date : 6/14/00 4:42 PM

Question recieved from:
Robert Shafer
Tucson, Arizona 85739
County: Pinal
Country: USA
Email: [email protected]
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 from NGA
June 14, 2000
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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