Application of Precision Photoelectric Colorimeter to Determination of Oil Deposit on Laboratory-Sprayed Grapefruit1

Author: RIEHL L. A.   GUNTHER F. A.   BEIER R. L.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.46, Iss.5, 1953-10, pp. : 743-750

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