果树涂白不仅对树体有防止冻害和防日烧作用,还可杀死在皮下越冬的害虫和病菌。果树涂白的时间可在秋末,涂白剂的配方是:水36斤、生石灰10斤、动物油或植物油0.2斤、盐2斤、石硫合剂原液2 White fruit trees not only to prevent the trees have the role of freeze-thaw and anti-Japanese burn, but also kill the pests and germs in the skin overwintering. Fruit trees painted white time in late autumn, white agent formula is: 36 kg of water, lime 10 kg, animal or vegetable oil 0.2 kg, 2 kg of salt, lime sulfur mixture stock solution 2