1. Garlic water to kill insectsGarlic water has a killing effect on aphids, red spiders and small black flies, and can effectively repel insects for green radish. First, peel and mash 3-4 garlic cloves and add water to make a solution. After leaving it for a day, put the clear liquid above into a spray bottle and spray it on the places where pests are present. The raw materials for this method are relatively easy to obtain. The only problem is that the smell is a bit strong and takes about a week to dissipate. 2. Ash water to eliminate insectsAsh water is also a common insect control method and is effective against a variety of pests. You can soak cigarette butts or tobacco in water, let it sit for 8 hours and then filter it. Pour the filtered clear liquid into a spray bottle and spray it on places where pests are present. 3. Detergent PowderThe laundry detergent and dishwashing liquid at home also have an insect repellent effect. Generally, the content of laundry detergent added to water should not exceed 0.3%, and that of dishwashing liquid should not exceed 0.2%. After stirring evenly, put it into the spray mixture and spray to kill the pests. 4. PesticidesPesticides are also a common method of pest control. However, the insects that infest green radish are generally small flying insects, and it is generally not worth using pesticides to kill these insects. Moreover, pesticides are toxic to a certain extent and are not recommended for use in home farming. |
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