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Plant leaves change pH?

Woo, Jong Ho woo00 at CHOLLIAN.NET
Fri Feb 13 02:42:18 EST 1998

Is it correct?
When i dipping leaves of tree in the solution of various pH levels with
various treating period( 1min - 48hr) i found the pH change of various pH
solution. And go to species specific pH range with treating period.
I suggested that the extraction from leaves have high buffering capacity and
could change the treated pH. I think the extration come from leaf
stomata(long time treated as 1 hr. - 48 hr.) or cations attached on leaf
surface(short time treated as 1 min - 30 min). 
But i don't know that it is correct or incorrect.
I appreciate any kind of your advice on my hypothesis with reference.
Dr. Woo, Jong Ho
woo00 at chollian.net

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