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DDT Use Safe Manis Insists With Idaho Farmers
H C Manis acting head of the Department of Entomology reports no animal or human harm from DDT when used as directed. He notes DDT dust on field crops loses effectiveness after 10 to 14 days, with traces on pea vines. He argues risks are lower than arsenic and urges continued use to control army worms in sugar beets, citing Idaho losses lower where DDT was adopted.
MENTIONED IN THIS ARTICLE
Corhing
H. C. Manis
Department of Entomology
Idaho
Manis
Ohio
Stare Line
Paris Green