(Fox News) Farmers from across the nation gathered in Washington this month for what has become an annual trek to seek action on the most important matters in American agriculture, such as immigration reform and water regulations.
But this time, a new, more shadowy issue also emerged: growing unease about how the largest seed companies are gathering vast amount of data from sensors on tractors, combines and other farm equipment.
The increasingly common sensors measure soil conditions, seeding rates, crop yields and many other variables, allowing companies to provide farmers with customized guidance on how to get the most out of their fields.