柴油乳剂是一种经济实用的杀虫剂。果树发芽前喷一次柴油乳剂,可杀死多种越冬害虫及虫卵,大大减少生长季虫害的发生,尤其对用普遍杀虫剂很难防治的介壳虫防治效果非常好,对减少农药使用量,生产无公害果品非常有意义。配制方法如下: 原料:柴油0.5公斤.肥皂35～40克,水350克。先将肥皂切碎,放入一定量的水中加热溶成肥皂水,再把柴油称好放在铁桶中加热到60℃,趁热慢慢倒入肥皂水中,边倒边搅拌,再用 Diesel emulsion is a cost-effective pesticide. Spraying a diesel oil emulsion before germination of fruit trees can kill a variety of overwintering pests and eggs and greatly reduce the occurrence of growing season insects, especially for the prevention and control of scale insects which are difficult to control with common insecticides. It is very effective in reducing pesticide usage , Producing pollution-free fruit is very meaningful. The preparation method is as follows: Material: diesel 0.5 kg, soap 35 to 40 grams, water 350 grams. The first soap chopped into a certain amount of water heated to dissolve into soapy water, then weigh the diesel on the iron drum heated to 60 ℃, while hot and slowly poured into the soapy water, while pouring edge stirring, reuse