MARSHALLTOWN, Iowa — The way Iowans farm changes every year as new technology becomes available. Well, in Marshalltown, a pair of childhood friends have kick-started a new fertilizer spraying business ...
HALIFAX — As a drone glided across farmland on a December day in Truro, N.S., its robotic voice called out, "enable spraying." Two nozzles on the bottom of the drone opened and released a vortex of ...
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