Pesticide Residues in Onions and Carrots Grown on Organic Soils, Ontario 1975 to 1980

Author： Frank Richard   Braun Heinz E.   Ritcey Gwen   Mcewen Freeman L.   Sirons George J.  

Publisher： Entomological Society of America

ISSN： 1938-291X

Source： Journal of Economic Entomology, Vol.75, Iss.3, 1982-06, pp. : 560-565

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