Underground pests are omnivorous insects that harm underground parts of plants, seeds, seedlings or main stems near the soil surface。There are many kinds。These underground pests have caused great harm to crops, and have also brought great troubles to farmers。So how to effectively and quickly kill these pests?

　　First, spread medicinal soil
　　Per mu50%Phoxim cream30Kg mixed fine sand or fine soil25~30Kg, open a shallow trench next to the root and sprinkle the medicinal soil, then cover the soil or combine with the hoe to apply the medicinal soil, which can prevent underground pests。This method can be used to remedy the damage caused by grubs or golden needles, especially in the case of winter wheat greening or spring crop seedlings。
　　Two, venom irrigation root
　　In the plots with high density of underground pests, the method of root filling with venom can be used to control pests。Such as sugar beet, corn, peanuts and other crops in the seedling stage by the tiger damage, can be used40%Isophosphate methyl50~75Gram, add water50~75Kilo, in the afternoon4When seedling root irrigation began, the killing rate reached90%Above, also treat grubs and golden needles。

　　Three, poison and kill
　　Chop up fresh grass or vegetables and use50%Phoxim cream100Gram, add water2~2.5Kilo, spray in100Kilo grass。In the evening, it is divided into small piles and placed in the field to trap and kill the tiger。用1About a meter long fresh poplar branches bubble in50倍的40%In dimethoate oxide solution,10Take it out after hours and insert it into the spring sowing crop field at night, per mu10~15Twig, the effect of trapping and killing chafers is better。

　　Four, black light trapping
　　The adults of tiger, scarab and grub have a strong tendency to black light. According to the actual situation in various places, some black light can be set up to trap and kill the adults during their blooming period。

　　Five, irrigation and insect control
　　In areas with conditions, after irrigating farmland before spring sowing, the temperature and humidity of the soil can be changed, which is unfavorable to the survival of underground pests such as ground tigers and grubs, and can make its mortality rate in90%以上。

　　6. Ground application
　　Use enemy kill as a routine pesticide new rule of law tiger。Practice is: in the evening after work with knapsack sprayer, according to the mu2Bucket of water, each barrel of water added2.5%Enemy kill8Milliliters, make it2000Double the liquid, stir well, and spray all over the floor。When all kinds of tiger larvae come out to harm seedlings, they meet with drugs, stomach poison, heavy smoke, touch and kill a few arrows, the efficacy can be fully played, all tiger larvae are poisoned, the effect is excellent。

　　Seven, artificial capture
　　Using the suspended death of the chafer to fight, protect the trees from harm, and reduce the occurrence of grubs in the soil。When the spot of the tiger occurs, it has a certain effect by using soil shifting。The mole cricket can also be artificially captured to reduce the harm。

　　Eight, poison bait killing
　　1With fried wheat bran, bean cake to kill mole cricket。Generally in the evening, there is no rainy day, the pit is dug in the field, the poison bait is cast, and the next morning, the lured pests are collected and concentrated。

　　2、放置“Sweet and sour wine mixture”盘(或盆)It can trap and kill an adult tiger。“Sweet and sour wine mixture”Make: Take sugar0.5Kilo, vinegar1Kg, white wine0.1Kilo, water7.5Kilo, add15~25G crystal of trichlorfon, the above raw materials are fully mixed and placed on a plate, and placed in the field in the evening1Meters high, the next morning will recover the medicine tray, can trap and kill a large number of tiger adults。

　　3The new rapeseed cake2.5Kg rub, put in the pan stir-fry fragrant, fry the fried rapeseed cake in the bucket, and then pour the diphlorphon opened with warm water into the bucket, boring3~5In the evening, the poison bait was divided into several small parts and scattered in the field of the transplanted cotton field, and the poisoned tiger worm body was visible the next morning。(Article content from the Internet)