How does sweet corn control underground pests?

How does sweet corn control underground pests? Please guide the underground pests that harm sweet corn mainly include mole cricket, white grubs, insects and cutworms, etc. This kind of pests harm sweet corn with larvae, mainly occurring in the seedling stage of sweet corn, resulting in dead seedlings and lack of seedlings. In order to ensure that the seedlings are complete and strong, comprehensive control should be carried out. 1. reasonable rotation In areas where underground pests occur seriously, rotation of paddy and upland crops should be carried out to reduce the number of insect sources, and rice and Zizania latifolia should be selected as the previous crops. 2. irrigation and deep ploughing Field irrigation combined with deep ploughing before spring sowing to remove weeds at the edge of the field to reduce insect population and egg breeding sites. 3. Light traps roots According to adults have strong phototaxis, in the adult occurrence period at night using black light, frequency vibration type insecticidal lamp to trap, each frequency vibration type insecticidal lamp control area of 2~2.67 hectares, can effectively trap mole cricket, white grubs, ground tiger and other adults, reduce the number of eggs about 70%. 4. poison bait After transplanting sweet corn, poison bait made of trichlorfon 0.5kg + phoxim 0.5kg + a small amount of yellow sugar + rice bran 20kg per mu was placed in circular beds to control cutworm and mole cricket. 5. Artificial killing During the seedling stage of sweet corn, check the occurrence of cutworm in the field in the morning and evening. Generally, when cutworm damage is found, artificial capture shall be carried out in time to reduce the harm of pests. 3. soil treatment White grubs and flies can be killed by mixing 1~ 1.5kg 5% dimehypo granules with 25kg fine soil or 100ml 50% phoxim emulsion mixed with 15~ 25kg fine slag before ploughing. Click for more corn growing technology Click for more food crop growing technology