Potassium Soaps of a Wood Rosin and Rosin Residue as Spreaders for Nicotine, Derris and Pyrethrum in Horticultural Sprays *

Author: FASSIG W. W.   PIERPONT R. L.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.34, Iss.2, 1941-04, pp. : 200-202

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