Vintners begin using drone helicopters Photo Credit: J.L. Sousa/ Register file Photo A new way to protect grapevines from disease, delivered from above, is taking flight over Napa vineyards. On May 18, a vineyard owned by Venge Vineyards in Calistoga was the site of the first U.S. commercial crop spraying by unmanned aerial system, according to a news release from Yamaha Motor Corp. Yamaha’s remotely piloted helicopter, called the RMAX, […]
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