ENVIRONMENT - Engineer designs digital solution for pesticide drift

(Phys.org) —It's a problem that plagues farmers and haunts environmentalists: how to reduce pesticide applications and ensure they are used most effectively. A Cornell engineer has come up with a novel, high-tech solution, using ultrasound sensors to better match sprays to their vineyard and orchard targets ...

http://phys.org/news/2014-01-digital-solution-pesticide-drift.htm