Underground pests can directly eat plant roots, tubers, germinating seeds, and growing seedlings. They can also spread germs and cause great damage to plant growth. Here are some ways to control underground pests:
1. The black light traps the adult, especially in the hot weather and the night before the rain. The black light traps the adult, and the effect is very obvious.
2, poison bait trapping can be used 90% trichlorfon 0.5 kg mix 50 kg of sauteed wheat bran as a bait, evening spread evenly on the seedbed, or by sugar, vinegar, white wine, fresh water ratio of 6:3: 1:10, plus a small amount of stomach-toxic pesticides, placed on a plate every 200 square meters, and placed in the evening.
3. Manually preventing deep plowing in the late autumn can increase the winter mortality rate of underground pests. When deep plowing the land, artificial larvae can be caught. The timely removal of weeds in the field and on the ground can reduce the number of insect populations, and the required farm manure must be fully decomposed.
4, chemical control can be sprayed 90% trichlorfon, 80% dichlorvos, 75% phoxim and other pesticides 1000-1500 times liquid poisoning, can also be used 50% phoxim granules, 2-2.5 kg per mu The soil, or per acre with 5% chlordane powder 0.5 kilograms mixed fine soil 25-50 kilograms made of toxic soil, evenly spread on the ground for control.
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