. Manual of gardening; a practical guide to the making of home grounds and the growing of flowers, fruits, and vegetables for home use . because the operator stands so near to his work; but as theycarry a comparatively small quantity of liquid and do not throw it rapidly, they are expensivewhen much work is to be , in ordinary home grounds, theknapsack pump or compressed-airpump is one of the most efficientand practicable of all the sprayingdevices. For large areas, as for small or-chards and fields, a barrel pumpmounted on a wagon is best. Com-mon types of barrel pumps are shownin Fig
. Manual of gardening; a practical guide to the making of home grounds and the growing of flowers, fruits, and vegetables for home use . because the operator stands so near to his work; but as theycarry a comparatively small quantity of liquid and do not throw it rapidly, they are expensivewhen much work is to be , in ordinary home grounds, theknapsack pump or compressed-airpump is one of the most efficientand practicable of all the sprayingdevices. For large areas, as for small or-chards and fields, a barrel pumpmounted on a wagon is best. Com-mon types of barrel pumps are shownin Figs. 226, 227, 228. Commercialplantations are now sprayed bypower machines. There are manygood patterns of spraying machines,and the intending purchaser shouldsend for catalogues to the variousmanufacturers. The addresses maybe found in the advertising pagesof rural papers. As to nozzles for spraying it maybe said that there is no one patternthat is best for all purposes. For most uses in home groundsthe cyclone or vermorel type (Fig. 233) will give best satisfac-tion. The pump manufacturers supply special nozzles fortheir 233. Cyclone or vermorel typeof nozzle, single and multiple. PROTECTING PLANTS 193 Insecticide spraying formulas. The two classes of insecticides are here described, — thepoisons (arsenites and white hellebore) for chewing insects, asthe beetles and all kinds of worms; the contact insecticides, askerosene, oils, soap, tobacco, lime-sulfur, for plant-lice, scale,and insects in such position that the material cannot be fed tothem (as maggots in the underground parts). Paris green. — The standard insecticidal poison. This is used invarying strengths, depending on the insect to be controlled and thekind of plant treated. Mix the Paris green into a paste and then addto the water. Keep the mixture thoroughly agitated while for use on fruit trees, add 1 lb. of quick lime for every pound of Parisgreen to prevent burning the foliage. For potat
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectgardening, bookyear19
