Bulletin . is green should be used at the rate of one pound to100 gallons of water, to which should be added a pound or two offreshly slaked stone lime. In mixing stir up the Paris greenwith a little water so as to form a paste before adding to the bar-rel. Arsenate of lead is slightly more expensive, but the greatestcost of spraying is the labor, and it has decided advantages. It ?216 X. H. AGR. EXPERIMENT STATION. [BulUtiu 139 adheres better than Paris green, not being so easily washed offby rains, and will not burn tender foliage even when used verystrong. It is used at the rate of three to
Bulletin . is green should be used at the rate of one pound to100 gallons of water, to which should be added a pound or two offreshly slaked stone lime. In mixing stir up the Paris greenwith a little water so as to form a paste before adding to the bar-rel. Arsenate of lead is slightly more expensive, but the greatestcost of spraying is the labor, and it has decided advantages. It ?216 X. H. AGR. EXPERIMENT STATION. [BulUtiu 139 adheres better than Paris green, not being so easily washed offby rains, and will not burn tender foliage even when used verystrong. It is used at the rate of three to five pounds to a 50-gallon barrel of water. Sprayers.—For spraying orchard trees the barrel sprayer isthe most practical and can also be used for spraying potatoes andother garden crops. It is time wasted to try and spray largetrees with a small bucket, knapsack, or compressed air pump,intended for garden work. The barrel sprayer should be asmuch a part of the equipment of every orchard owner as is his. Fig. 12. A good tjpe of wagon and tower for the small orchanl. plow for corn culture. For orchard work a convenient outlit isshown in figure 12, consisting of a one-horse wagon up(m whicha rough platform has been erected, firmly bolted to the box, andthus placing the man who sprays three or four feet above the barrel is in front Avith the driver who pumps. Such anoutfit can be readily built on any wagon at slight expense and iseasily removed. With it orchard trees can be much more quicklyand thoroughly covered, thus greatly reducing the cost of spray-ing, in which labor is the largest item of expense. INIany good July, 1908.] CATEKPILLARS INJURING FOLIAGE. 22; types of liarrel pumps are now on the market and can be ob-tained through seedsmen, agricultural warehouses or direct fromthe manufacturers, for whose addresses see the agricultural pa-pers or Bulletin 131 of this station. Buy a pump with as littleof its working parts above the head as possible; with cylinderand
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