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post #4 of (permalink) Old 12-06-2012, 04:52 PM
Darkblade48's Avatar
Join Date: Jan 2008
Location: Toronto/Singapore
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Originally Posted by biggerbang View Post
What are the effects of "dangerous levels" of nutrients?
Just one example, but if copper levels get too high, you essentially get heavy metal poisoning in plants and livestock.

Invertebrates are less tolerant to heavy metals, even though they are required for life.

As the saying goes, the dose makes the poison.


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