National Weather Service
http://weather.gov

Agrian (Product Labels and Recommendations)
http://www.agrian.com

CNN Commodity Pricing
http://money.cnn.com/data/commodities/

UC IPM Online
http://www.ipm.ucdavis.edu/index.html

UC Davis Crop Production Budgets
http://coststudies.ucdavis.edu/

Cotton Planting Forecast
http://www.ipm.ucdavis.edu/WEATHER/cottonforecast.html

Independent Agribusiness Professionals
http://www.iapros.com

Mar Vista Resources (Specialty Ag Products)
http://www.marvistaresources.com

Western Farm Press
http://westernfarmpress.com/

CAPCA (California Association of Pest Control Advisors)
http://capca.com/

California Department of Pesticide Regulation
http://www.cdpr.ca.gov/