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Author Topic: Calcium Nitrate and Organic gardening  (Read 3032 times)
redflare
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San Mateo, CA Zone 8


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« on: July 16, 2009, 01:05:37 AM »

This may sound like a weird question.

I am using organic fertilizer in EBs with pretty good results, I want to give my tomatoes a bit of a boost with Calcium Nitrate (I also have a few fruits with BER). But if I use Calcium Nitrate, would that make my tomatoes no longer "organic"? Huh?
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gardendoc
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Ocean Springs, MS Zone 9a


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« Reply #1 on: July 16, 2009, 07:16:46 AM »

I am using organic fertilizer in EBs with pretty good results, I want to give my tomatoes a bit of a boost with Calcium Nitrate (I also have a few fruits with BER). But if I use Calcium Nitrate, would that make my tomatoes no longer "organic"? Huh?

If you are concerned about the organic status of your tomatoes then do not use the calcium nitrate.  You will need to satisfy the need for calcium in some other way.  Are you using certified organic mix? 
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redflare
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San Mateo, CA Zone 8


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« Reply #2 on: July 16, 2009, 05:25:08 PM »


  Are you using certified organic mix? 

My mix says "with natural and organic ingredients". Dunno what that means Smiley
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redflare
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San Mateo, CA Zone 8


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« Reply #3 on: July 16, 2009, 05:46:35 PM »

Summerwinds from California blue package
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alwayslearning
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SF Bay Area near SJ Zone 8b


« Reply #4 on: July 16, 2009, 07:41:04 PM »

Summerwinds "Natural & Organic Potting Soil" contains: aged and processed softwood bark & sawdust, sphagnum peat moss, steer manure, pumice, perlite, bat guano, feather meal, and kelp meal. Dolomite may be added as a pH adjuster.

Unlike the Earthbox Organic Potting Mix, the Summerwinds one is not OMRI listed.  http://www.omri.org/complete_company.pdf

I would say yours is organic with a small "o" rather than Organic.
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