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Old November 29, 2009   #7
dice
Tomatovillian™
 
Join Date: Jan 2007
Location: PNW
Posts: 4,743
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What kind of trace elements in the 7-11-27? (It should be
fine for tomatoes as long as it is not oversupplied. The ratio
is ok.) A lot of growers, especially container growers, use
kelp, Planters II, Fertall chelated minerals, and similar to
supply minerals that are not in their main N-P-K source.

A document with symptoms of mineral deficiencies on
tomato plants:
http://4e.plantphys.net/article.php?ch=5&id=289

A document from TotalGro that discusses interactions between
nutrients in the case of oversupply of some nutrient:
http://www.totalgro.com/concepts.htm
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