. Principles of plant culture; an elementary treatise designed as a text-book for beginners in agriculture and horticulture. Horticulture; Botany. 164 Principles of Plant Culture. 302. The Army-Worm may often be i)revented from mi- gration l)y plowing a deep furrow, as above directed, and malving the side toward tlie endangered crop verti- cal, with a spade or shovel. The insects will congregate in the furrow where they may be destroyed by dragging a log over them. 303. Grasshoppers and Locusts may be destroyed, be- fore they have attained their wings, by drawing over the infested ground, a &q
. Principles of plant culture; an elementary treatise designed as a text-book for beginners in agriculture and horticulture. Horticulture; Botany. 164 Principles of Plant Culture. 302. The Army-Worm may often be i)revented from mi- gration l)y plowing a deep furrow, as above directed, and malving the side toward tlie endangered crop verti- cal, with a spade or shovel. The insects will congregate in the furrow where they may be destroyed by dragging a log over them. 303. Grasshoppers and Locusts may be destroyed, be- fore they have attained their wings, by drawing over the infested ground, a "hopper-doser'' which consists of a shallow, sheet-iron pan, with a vertical, cloth-covered back. The pan contains a little kerosene, and the cloth back is kept saturated with the same liquid. The insects jump into the pan or against the cloth liaek, thus becom- ing wet with the kerosene, and soon perish. (Jrasshop- pers may also be poisoned Ijj- distributing bran mixed into a mash with water containing ar- senic in solution. Plowing grass land eggs of grasshoppers tends to prevent an attack. 304. Apparatus for Ap- |,g plying insecticides. Poiv- ders are readily apj)lied upon low-growing plants, as the potato, cabbage etc., by means of a sifting I ^ box consisting of a pail with a perforated bottom, a rigid handle and a tight- fitting cover (Fig. 68). Sifting box for applying For Small plants, aS yOUUg potato tops, the tin disc A which has a circular hole in the center, is laid inside on the bottom of the box, and held in place by small lugs containing the. Fig. i>8. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Goff, E. S. (Emmett Stull), 1852-1902. Madison, Wis. , The Author
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