There are many types of underground pests, including scarabs, cockroaches, wireworms, cockroaches, and ground tigers. Underground pests mainly harm potato, beet, watermelon and other kinds of economic crops, resulting in wilting and curling of the plant's aboveground parts. Roots and tubers often form wounds and holes after they are damaged. As a result, bacteria invade and cause decay, affecting crop quality and yield. Grasping the prevention and control of underground pests is an important measure to seize the high yield and stability of vegetables in greenhouses.
Agricultural measures are deep-falling after the harvest of the summer and autumn crops or before planting. Underground pests are often pulled out of the ground and eaten by natural enemies and the natural environment. At the same time, insects and eggs on the surface or weeds can be buried in the soil and suffocated. Harm reduction. In general, soil pests occur in fields such as watermelons, beets, and potatoes where continuous cropping or weeds cover a large area. Production should be prevented by taking measures such as deep soil preparation, control of field weeds, intercropping, rotation cropping, and field cultivation.
After the irrigation and control of the place where the tiger has occurred, timely irrigation, you can receive better control effect.
Black light traps kill the beetles, tigers, and earthworms have a strong tendency toward black light, and some black light traps are effective in the adult period.
For chemical control, Kungfu 2.5% Lambda-cyhalothrin emulsion or 2.5% deltamethrin Emulsion 1000 times is sprayed on the soil, or 90% trichlorfon soluble powder 250 grams per acre is mixed with 50 kg per acre. Submission. When spraying, the fields, especially weeds, crop residues and fallen leaves should be sprayed to ensure the control effect.
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