USDA
http://www.usda.gov/wps/portal/usda/usdahome

National Agriculture Statistics Service
http://www.nass.usda.gov/

IL Dept of Ag
www.agr.state.il.us

Ag Issues
www.aphis.usda.gov

U of I Extension, Commercial Agriculute
http://web.extension.illinois.edu/state/commag.html

U of I College of Ag
www.aces.uiuc.edu

Soil Temps
www.sws.uiuc.edu

IL Corn Growers
www.ilcorn.org

Soybean Growers
www.soygrowers.com

Soybean Rust
www.stopsoybeanrust.com

Dept of Natural Resources
www.dnr.state.il.us

Monsanto
http://www.monsanto.com/

Stine
http://www.stineseed.com/

Syngenta
http://www2.syngenta.com/en/index.html

Dow AgroSciences
http://www.dowagro.com/homepage/index.htm

BASF:
http://www.agproducts.basf.com/