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UVM Extension outlines on‑farm precision agriculture trials, variable-rate fertilizer tests
Summary
University of Vermont Extension researchers described ongoing trials using satellite/GPS mapping, yield monitors and variable‑rate fertilizer application on Vermont farms, noting early results from five participating farms and state grant support for equipment.
Heather Darby, a professor and agronomist with University of Vermont (UVM) Extension, told a legislative committee that UVM Extension is running applied, on‑farm research into precision agriculture to help Vermont farmers get better yields while reducing inputs. She said the program uses satellite and GPS data, yield monitors and zone‑based soil sampling to create maps that allow variable‑rate fertilizer application across fields.
Darby said last year five farms participated in a variable‑rate fertilizer pilot supported with funding from the Vermont Agency of Agriculture. Researchers mapped yields and soils in zones and used a spreader that reads…
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