See how biogas slurry turns into pollution-free pesticides

When it comes to the prevention and control of pests and diseases, many people think of pesticides first. Although pesticides are good at controlling pests and diseases, the problem of phytotoxicity cannot be avoided. Today, Xiaobian introduces a new method that does not use pesticides, and uses biogas slurry to prevent crop diseases and insect pests.

Biogas slurry is commonly used as the animal waste after fermentation. Spraying wheat, beans, vegetables, cotton, fruit trees, etc. with biogas slurry can prevent aphid damage.

Control fruit tree red spider

During the growth of apples, citrus and other fruit trees, the fruit trees can be sprayed with the biogas slurry or a small amount of pesticides to control the pests of fruit trees, red and yellow spiders, and cockroaches and cockroaches. The diseased trees can be painted with biogas slurry to control apple trees. Rot disease; biogas slurry rooting can prevent physiological diseases such as root rot, yellow leaf disease and lobular disease. The biogas slurry was sprayed with fruit trees, and the killing rate of red spiders was 91.5%, the killing rate of eggs was 86%, and the killing rate of yellow spiders was 56.5%. When spraying fruit trees with biogas slurry, adding 1/1000 to 1/2000 of omethoate, or 1/1000 to 1/3000 of the anti-sweeping effect, the insecticidal and egg-killing effect is very significant, and the killing rate of adults and eggs can be Up to 100%, and the efficacy period lasts for more than 30 days.

Controlling corn mites

Conventional is to use the liquid medicine to sprinkle on the corn heart leaf control. Mixing the corn leaf with the pesticide and the biogas slurry can achieve the dual effects of pest control and fertilization. Specific practice: In the incubation period of aphids, use 50 kg of biogas slurry and add 2 ml of 2.5% enemy emulsifiable concentrate to prepare a liquid. Apply the sprayer nozzle down while using it. After 6 days and 11 days of application, it was observed that the biogas slurry with the enemy killing drug was completely the same as the single drug solution, and no corn larvae larvae were found to be harmful. In addition, it was also found that the corn was soaked with biogas slurry and poured into the heart of the heart, and the leaves were slightly darker and appeared to be flushed.

Instructions

First, 14 kg of biogas slurry and 0.5 kg of washing powder solution (the solution is prepared according to the ratio of washing powder and clear water 1:10) are formulated into a biogas liquid compound insecticide and sprayed with a sprayer.

Secondly, spray 35 kg per acre of land and spray again the next day.

It is best to choose the time of spraying again in the morning on a sunny day.

More pesticide knowledge, please pay attention to pesticide network

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