Because the ground tiger is very harmful to the growth of corn, we need to be able to discover and prevent its spread in time and reduce losses. The general method is as follows: Bait method: use 2.5% cyfluthrin or high-chlorine chlorpyrifos or high-chlorine chlorpyrifos 150g water 1kg, dissolved and sprayed on 10 kg of wheat bran (or corn bran, or glutinous rice), while spraying mixed, Mix evenly into poison baits. In the evening, the young tiger larvae were hunted around the corn seedlings and 5 kg of poison baits were used. Spraying: Serious landslides were sprayed after 5pm. Use 2.5% cyfluthrin emulsifiable concentrate 2000-4000 times solution, or 40% chlorpyrifos emulsifiable concentrate 800-1000 times solution, or 25% thiamethoxam dispersant 2000 times spray control. Soil treatment: Use 50% phoxim or 40% chlorpyrifos plus water and spray 40 kg sand fine soil, heap boring 4 hours. In the evening, seedlings are applied to the roots of seedlings, 20 kg of toxic soil per acre. Manual capture: A seedling survey is carried out to capture from the surrounding seedlings. The above methods are commonly used and have significant results. VEC (machine Tool Error Compensation) machine tool volumetric error compensation volumetric error compensation Automated Precision Inc. , https://www.apiasean.com