Preparation method of self-made pollution-free herbicide

The invention belongs to the technical field of weed killing in agricultural planting, and particularly discloses a preparation method of a self-made pollution-free weed killer, the self-made pollution-free weed killer comprises urea, white spirit, white vinegar, edible salt and dishwashing liquid, the raw materials are easy to obtain in daily life, the cost is low, the operation is simple and convenient, and the self-made pollution-free weed killer is friendly to crop growth and soil protection, environment-friendly and pollution-free, and has a good weed killing effect. The effect of killing over 93 percent of weeds is obvious. 本发明属于农业种植的灭草技术领域，具体公开了一种自制无公害灭草剂的制作方法，包含尿素、白酒，白醋、食用盐、洗洁精组分的自制灭草剂，原材料日常易得，成本低廉，操作简便，对农作物生长和土壤保护友好，环保无公害，对93%以上的杂草杀灭效果显著。