Journal
CALIFORNIA AGRICULTURE
Volume 65, Issue 2, Pages 85-89Publisher
UNIV CALIFORNIA, OAKLAND, DIVISION AGRICULTURE & NATURAL RESOURCES
DOI: 10.3733/ca.v065n02p85
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Funding
- California State Water Resources Control Board
- USDA National Institute of Food and Agriculture [2009-55112-05217]
- Central Valley Water Quality Control Board
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Spray applications of pesticides to orchards are a common cultural practice; however, they present environmental concerns due to emissions of volatile organic compounds (VOCs), runoff that can allow pesticides to enter waterways, and spray drift onto nontarget areas. Advanced sprayer technology can address these concerns and improve application efficiency by reducing the amount of spray that does not reach the target. Target-sensing sprayers were evaluated in multiseason experiments. They reduced pesticide application rates by 15% to 40% and nontarget orchard-floor deposition by 5% to 72%, providing significant environmental and economic benefits.
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