By Madysen McLain
Gazette Reporter 

Farmers use infrared to reduce chemicals

Brian Bell

Brian Bell

WEEDit systems, for farmers, use infrared technology to spray chemicals only on living plants rather than on entire fallow fields.

Whitman County farmers this summer can use a selective weed spraying unit, WEEDit, to more effectively spray for weeds and drastically reduce the cost of chemicals.

Brian Bell, Whitman conservation district manager, said WEEDit, a product which evolved from Netherlands-based research, uses infrared sensors and lasers to detect weeds in crop fields. The laser sensors detect chlorophyll found in plants, and direct nozzle sprays only at where plants are growing.

Bell noted the machine can be used in summer fallow fields where weeds emerge in the spring.

The machine's development originally b...

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