Spray Researchers Aim to Catch Their Drift
February 15, 2019 | Good Fruit Grower
Against the gray, late-autumn sky, it’s hard to miss the green plume spraying into the dormant orchard.
It’s a very colorful solution to a nearly invisible problem.
Underlying every pesticide label regulation lie complex calculations of risk to protect workers, bystanders and the environment from drift. But the methods federal regulators use to determine drift allowances from airblast sprayers date back decades — and likely overestimate the risk in modern orchards.
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