Aerial Spraying At Night Expected
(New Zealand Press Association) DANNEVIRKE, March 27
The chemical spraying of farmlands and pastures by night-flying aircraft is foreseen by a Department of Agriculture field research officer, Mr L. W. Blackmore, of Palmerston North and formerly of Dannevirke.
Addressing delegates to the North Island soil conservation conference which ended in Dannevirke yesterday, Mr Blackmore said there would be many advantages associated with this practice. He said that the weather often was much calmer after sunset and suggested the working time as being between sunset and 11 p.m.
“The convection currents are typically downwards during the early part of the night,” he said, “and probably much lower volumes of spray could be used because of these downward currents and settling dew.” This would also result in a reduced chance of drift. Mr Blackmore explained
that humidity tended to be higher before dewing and light intensities were very low.
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Bibliographic details
Press, Volume CV, Issue 31020, 28 March 1966, Page 3
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152Aerial Spraying At Night Expected Press, Volume CV, Issue 31020, 28 March 1966, Page 3
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