A Study of Arsenical Residues on Apples in Pennsylvania With Respect to Efficient Spraying Practices, II

Author: HODGKISS H. E.   HALEY D. E.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.24, Iss.1, 1931-02, pp. : 83-88

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