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foliar feeding

Thomas Bjsrkman tnb1 at cornell.edu
Tue Feb 26 12:01:34 EST 2002

David Hershey's reply is right that there are some specific situations 
where foliar feeding has been found to  have value. I want mention one 
aspect that may provide a distraction to your student.  Foliar feeding 
is often promoted as a miracle cure for all sorts of things. Some of 
these work roughly as well as soil fertilization but are are very 
expensive; others are pixie dust.  If you search the web you are sure to 
find plenty of hits in both of these categories.

Zoger Abigail wrote:

> I have a student who is interested in the research on foliar feeding.  Does
> anyone have a suggestion of a good review article concerning the effects of
> foliar feeding on nutrients up take as well as pest control?  Can plants
> really take up nutrients this way? Or are the plants absorbing the nutrients
> that fall onto the soil from the leaf surface and spraying?

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