Successful farming : a ready reference on all phases of agriculture for farmers of the United States and Canada . set. The manure maywell be applied any timeduring late winter orearly spring. In anyorchard it is always bestto leave a few typicaltrees unfertilized untilthe actual value of thefertilization is deter-mined. Protecting theTrees.—The chief ene-mies of young trees aremice, rabbits, borers andthe San Jose scale. Thescreens described aboveare the surest protectionagainst the first two,though poisoned syrup orshot-guns may also the borers, a protective covering, such as the
Successful farming : a ready reference on all phases of agriculture for farmers of the United States and Canada . set. The manure maywell be applied any timeduring late winter orearly spring. In anyorchard it is always bestto leave a few typicaltrees unfertilized untilthe actual value of thefertilization is deter-mined. Protecting theTrees.—The chief ene-mies of young trees aremice, rabbits, borers andthe San Jose scale. Thescreens described aboveare the surest protectionagainst the first two,though poisoned syrup orshot-guns may also the borers, a protective covering, such as the lime-sulphur concen-trate more or less mixed with sediment or lime, is often very helpful ifrenewed frequently enough. It can be readily applied either with a brushor a coarse spray nozzle and the trunk should be thoroughly coated to aheight of eighteen inches or more. It should be kept in good shape fromabout the middle of June to the middle of September, after which the treesshould be gone over carefully and any borers that may have entered in spiteof the coating should be cut out or killed with a A Power Sprayer Adapted to Large gasoline engine gives uniformly high pressure. THE POME FRUITS 465 The scale is readily handled by thorough spraying during the dormantseason with lime-sulphur at a density of as indicated by the specificgravity hydrometer, or a dilution of about one part of the best commercialconcentrates to nine parts of water. Spraying During the Growing Season.—The materials needed arelime-sulphur, lead arsenate, and nicotine solution. The first is used at adensity of about ,which is obtained by dilut-ing good home-made con-centrates about 1 to 30 orthe best commercial lime-sulphurs at about 1 to second material isused at the rate of 2 or 2\pounds of the paste, orhalf as much of the pow-der, in 50 gallons of third is used at therate of about an ounce ofthe 40 per cent nicotinepreparations to 5 gallonsof spray, which
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
