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1 翻整树盘 深翻三十厘米左右,拣除石块,集中枯枝、杂草烧毁,既可减少病虫潜藏物和消灭部分害虫,又可把土中越冬虫茧、蛹等翻出冻死。深翻的同时追施基肥。2 科学修剪 趁果树冬剪时,将有蛀虫孔或虫卵的枝条、枯死枝一并剪掉,集中烧毁。3 涂白 冬季果树涂白也是防治多种病虫的好方法。涂白高度以1～1.3米为宜。涂白剂配制:取生石灰2份、食盐0.1份、动植物油0.1份、牛粪0.2份、水10份,先用水化开石灰
1 Turn the tree deep flip about thirty centimeters, sorting stones, focus on dead branches, weeds burned, can reduce the pest lurking material and eliminate some pests, but also the soil overwintering cocoon, pupa, etc. out freeze to death. Deep flip at the same time topdressing base fertilizer. 2 scientific pruning fruit tree winter cut, there will be worm holes or eggs of the branches, dead branches cut together, concentrated burned. 3 Tu white winter fruit tree is also a good way to control a variety of pests. Tu white height to 1 to 1.3 meters is appropriate. Bleaching agent preparation: 2 parts of lime, salt 0.1 parts, 0.1 parts of animal and vegetable oils, 0.2 parts of cattle manure, 10 parts of water, first with hydrated lime