Download or read book Lonchocarpus, Derris, and Pyrethrum Cultivation and Sources of Supply written by Edward Counselman Higbee and published by . This book was released on 1948 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interest in these plants, in addition to their effectiveness against numerous pests, is also because commercial pyrethrum and rotenone insecticides derived from these plants are also comparatively nontoxic to man and other warm-blooded animals. They may be used with safety in the household, for livestock dips and sprays, and on garden vegetables, fruits and canning crops.