Sunday, June 8, 2014
Drones give farmers eyes in the sky to check on crop progress
A press release from the University of Illinois: This growing season, crop researchers at the University of Illinois are experimenting with the use of drones – unmanned aerial vehicles – on the university’s South Farms. Dennis Bowman, a crop sciences educator with U. of I. Extension, is using two drones to take aerial pictures of crops growing in research plots on the farms.
Bowman intentionally made mistakes on one test plot – “areas where we didn’t apply enough nitrogen fertilizer, where we simulated mistakes in the applicator, where we shut the boom off for a short period of time or plugged it up and ran for a while,” Bowman said. “As the crop gets up and going, we’ll fly over it and see if we can detect those areas sooner than we could visually from the ground. (Watch the drone in action.)
“We’re also looking at doing some scans over our herbicide studies to see if the drone photography can help us identify where crops are stressed by postemergence herbicide applications.” For farmers, aerial photographs taken by drones offer a quick and easy way to check on the progress of crops and determine where they may need to replant or direct pesticide applications.
“I spent two summers as a commercial crop scout before I went into Extension, and walking through tasseling corn in the heat of summer is not a pleasant task,” Bowman said. “The odds of actually getting to the far end of that field on foot to see what’s going on are pretty slim. To get a bird’s-eye view of your crop, the drones offer a handy way to do it.”
Both drones Bowman is using are multirotor helicopters, or quadricopters. Bowman bought the first drone last fall. It’s a remote-controlled Phantom, manufactured by the company DJI. This spring, he bought a second aircraft, an A.R. Drone 2.0 with GPS produced by the French wireless electronics manufacturer Parrot. Using rechargeable lithium polymer batteries, each drone can make flights of about 10 to 15 minutes. The computers in the drones are similar to those used in smartphones...
Drones – unmanned aerial vehicles – scout wheat on the university’s South Farms. Photo by Brian L. Stauffer at the University of Illinois website
Bowman intentionally made mistakes on one test plot – “areas where we didn’t apply enough nitrogen fertilizer, where we simulated mistakes in the applicator, where we shut the boom off for a short period of time or plugged it up and ran for a while,” Bowman said. “As the crop gets up and going, we’ll fly over it and see if we can detect those areas sooner than we could visually from the ground. (Watch the drone in action.)
“We’re also looking at doing some scans over our herbicide studies to see if the drone photography can help us identify where crops are stressed by postemergence herbicide applications.” For farmers, aerial photographs taken by drones offer a quick and easy way to check on the progress of crops and determine where they may need to replant or direct pesticide applications.
“I spent two summers as a commercial crop scout before I went into Extension, and walking through tasseling corn in the heat of summer is not a pleasant task,” Bowman said. “The odds of actually getting to the far end of that field on foot to see what’s going on are pretty slim. To get a bird’s-eye view of your crop, the drones offer a handy way to do it.”
Both drones Bowman is using are multirotor helicopters, or quadricopters. Bowman bought the first drone last fall. It’s a remote-controlled Phantom, manufactured by the company DJI. This spring, he bought a second aircraft, an A.R. Drone 2.0 with GPS produced by the French wireless electronics manufacturer Parrot. Using rechargeable lithium polymer batteries, each drone can make flights of about 10 to 15 minutes. The computers in the drones are similar to those used in smartphones...
Drones – unmanned aerial vehicles – scout wheat on the university’s South Farms. Photo by Brian L. Stauffer at the University of Illinois website
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