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Roots need phosphorus (and nitrogen and potassium) for growth, but if it is present in anything but minuscule amounts, they 'won't go look for it' (sorry for the anthropomorphism but you get the idea. They are content to stay where they are, and thus inhibited lateral root growth. More is not always better.
Brent
Last edited by Brent; 07-01-2008 at 02:30 PM..
Reason: typo
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