In this photo taken June 9, 2011 in Lake Alfred, Fla., University of Florida citrus researcher Reza Ehsani stands near a remote control helicopter. The device is fitted with a camera and is used to monitor crops from the air. (AP Photo/Tamara Lush)

Associated Press
In this photo taken June 9, 2011 in Lake Alfred, Fla., University of Florida citrus researcher Reza Ehsani stands near a remote control helicopter. The device is fitted with a camera and is used to monitor crops from the air. (AP Photo/Tamara Lush)
In this photo taken June 9, 2011 in Lake Alfred, Fla., University of Florida citrus researcher Reza Ehsani stands near a remote control helicopter. The device is fitted with a camera and is used to monitor crops from the air. (AP Photo/Tamara Lush)
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