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Rural Aviation's Cessna aircraft spraying low over a crop of maize near Waihirere

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Pilot Les Keane of Te Kuiti.

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To give a good cover of spray, the plane sometimes flies within feet of the maize heads

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Trailing a lethal spray of Diptrix, the Cessna banks tightly below towering trees

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Back at Darton Field, the plane is rapidly filled with spray from the loader truck

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The Cessna's row of spray nozzles

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A farmer, Harold Crooks, shows a partly-eaten maize leaf to John Trafford, of the agriculture division of Gisborne Sheepfarmers Ltd.

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Loader driver Ron Henderson, of Te Kuiti, filling: the mixer on his truck with D.D.T.