NBC Evening News for Wednesday, Sep 12, 1979
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(Studio) Part 3 in series introduced
REPORTER: John Chancellor
(Richmond, California) Fertility of Hansen Farms Corporation acreage noted. [Mgr. Bryce BARMARD - notes amount of annual sales and amount spent on herbicides and pesticides.] Dependence of American agriculture on pesticides considered; University of California at Berkeley's research into pesticides examined. Details of immunilogical destruction by repeated use of pesticides given. [Dr. Donald DAHLSTEN - says we're using more chemicals because the ones we re using aren't working well.] Results of Dahlsten's experiments on naval orange worm detailed. Films shown. Weed- less fields said result of herbicides; situation examined. Ortho Chemical Company's development of new herbicides outlined. Company's research into "growth regulators" explained. [Ortho spokesperson Dr. Lemac HOPKINS - comments.] [University of Illinois Dr. Samuel EPSTEIN - says result will be delayed health hazards.]
REPORTER: Robert Bazell
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