Nowadays, people pay more and more attention to the green environmental protection of food. Therefore, many farmers use natural pollution-free pesticides when planting vegetables. So, how to make vegetable pesticides?
The use of natural pollution-free insecticides now has the advantages of safety, economy and effectiveness. It is non-polluting, non-residue, quick-killing, short-lasting, simple in preparation, economical and practical, and unique in its efficacy. It is a natural and pollution-free vegetable. An effective way to introduce you to how to make vegetable insecticides today.
How to make vegetable insecticides:
1, grass ash insecticide method: grass ash is an important farmyard fertilizer. It is rich in minerals such as potassium and has excellent insect-preventing effects. It can be used to control onions, roots, mites and chafers. There are three methods: one is soil application, 30-40 kg of grass ash per acre, preferably applied to the planting ditch, and then covered with soil after sowing or planting, can prevent rhizosphere pests; second, direct application, grass and ash After grinding, spray on the pests in the morning when the dew is not dry, use 1-2 kg of grass ash per mu; third, spray the grass ash, soak 3 kg of grass ash and water 10 kg for 3 days, spray the ash leaching solution after the residue, spray per acre The amount of liquid is 50 kg.
2, tobacco pest control method: tobacco insecticide, safe and pollution-free, wide range of raw materials, low cost, strong insecticidal power, it is mainly used to control aphids, mites, maggots and so on. Before the preparation, weigh the waste tobacco and water in a ratio of 1:40. First, the tobacco leaves are shredded, soaked in 10 parts of boiling water and covered. When the water temperature drops to about 20 °C, the soaked tobacco leaves will be smashed until there is no When the juice is thicker, remove the tobacco leaves, put in another 10 parts of water and continue to knead. After 4 times of changing the water, the filter residue will be taken out of the tobacco leaves, and the tobacco juices will be mixed for use in the field to prevent insects. The spraying amount per mu is about 50 kg.
How to make vegetable insecticide
3, ramie leaf insecticidal method: ramie raw materials are easy to obtain, insecticidal effect is good, after spraying, the crops also have the effect of supplementing organic fertilizer. This method can effectively control a variety of pests such as vegetable aphids, cabbage caterpillars, maggots, ground tigers, chafers, and diamondback moths. The ramie leaf eucalyptus juice can be added with water 3-5 times, soaked for 12 hours and then sprayed on the leaf surface. The ramie leaves can be dried and ground and mixed with soil, and the castor bean oil can be added with water 5 times and soaked for 12 hours. .
How to make vegetable insecticide
How to make vegetable insecticides is introduced here. When applying ramie leaves, choose to spray at dusk on sunny days, 20-40 kg per acre, pay attention to the use.
Total 1 | <First <Prev 1 Next> Last> |
share to:
Drill bits are cutting tools used to remove material to create different kinds of holes in many different materials. In order to create holes drill bits are usually attached to a drill, which powers them to cut through the objects.
Drill Bits,Drill Bit Set,Drill Tool Set,Hss Drill Bit
Behappy Crafts (suzhou)Co.,Ltd , https://www.jshaoyue.com