Excerpt from Emulsions of Wormseed Oil and of Carbon Disulfide for Destroying Larvae of the Japanese Beetle in the Roots of Perennial PlantsClayton, W. 1923. The theory of emulsions and emulsification. London. 160 pp. Henry, T. A., and paget, H. 1921. Chenopodium Oil. In Jour. Chem. Soc. (london), vol. 119. Pp. 1714 - 1724. Leach, B. R., and thomson, J. W. 1921. Experiments in the treatment of balled earth about the roots of coniferous plants ...
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