The state of California has launched more than 50 free smartphone apps, of which a handful can help agricultural producers.

They were developed at the request of the California Department of Food and Agriculture in conjunction with the California Department of Technology, according to a news release.

• The Report A Pest app, for example, allows users to do just that—enter a sighting of an invasive plant or other pest.

Users who have the app are able to submit photographs and GPS, or global positioning system, location as part of the report.

The app then sends the report to CDFA invasive species specialist.

• If you've ever been out of town and tried to find a truck scale, this app is for you.

This app helps you locate the nearest scales.

The state saw a need for such an app after tracking 2,500 unique visitors monthly to CDFA's web site in search of locations.

• CDFA also released an app to help users locate certified farmers markets.

Certified markets differ from other farmers markets in that the seller must be the grower, a family member or an employee of the person selling the produce. It's supposed to weed out people who simply go to a wholesale market, purchase some cartons of produce and go to the market to sell it.