我于1982年开始承包果园。几年来,我在冬天用自己配的三合一保护剂涂抹伤口,效果很好。1、原料:硫酸铜(块状研细);豆油;风化石灰。2、配制量:硫酸铜1公斤,风化石灰0.5公斤,豆油可根据情况,以能将硫酸铜和石灰调成糊状为准。 3、配制方法:先将选好的硫酸铜粉、石灰粉放入容器内搅拌均匀,然后将适量豆油盆沸,将硫酸铜、 I started contracting orchards in 1982. Over the past few years, I use the three-in-one protective agent coated with wounds in the winter, the effect is very good. 1, raw materials: copper sulfate (block research fine); soybean oil; weathered lime. 2, the amount of preparation: 1 kg of copper sulfate, lime 0.5 kg, soybean oil according to the situation, in order to transfer copper sulfate and lime into a paste prevail. 3, preparation methods: first selected copper sulfate powder, lime powder into the container Stir, and then the amount of soybean oil boiling, the copper sulfate,