Here are a few as a starting point for you.  Keep searching.

 

Keith offers local Organic berry plants plus fertilizers and soil amendments.
You can also find him at the Farmers Market

http://www.backyardberryplants.com/supplies/index.htm

 

About the local growers
http://www.localgrowers.org/ 

 

Ed Burns in Seymour who provided the samples of the worm castings for the meeting. He normally has a table at the Farmers Market on Saturdays.

www.wigglingwinnies.com

 

Good reference about Organic Fertilizers

http://www.ohioearthfood.com/

 

SARE - Sustainable Agriculture Research & Education

http://www.northcentralsare.org/  

 

I discovered this site in a search.  The Extension office there put together a huge quantity of web sites on about any subject you might want.  And some you don't.  The Vegetable Gardening link gets you to the Organic Gardening section.  Pick and choose what you want.

http://www3.ag.purdue.edu/counties/vanderburgh/Pages/HorticultureLinks.aspx
 

A great site for free ebooks on about anything.
This is where I found Organic Gardener's Composting by Steve Solomon

http://www.gutenberg.org/