PDF files of Plant Teaching Articles

David R.Hershey dh321 at excite.com
Tue Jan 18 04:03:29 EST 2005

I added another dozen teaching articles as PDF files including ones on
the following topics:

carbon dioxide deficiency
sponge seedlings
electrical conductivity
container soil physics
making plant biology teaching relevant

Here's the link: http://www.angelfire.com/ab6/hershey/bio.htm

Some of the files are rather large to maintain the quality of photos or

David R. Hershey

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