1. The seeds, soil, plastic shed or greenhouse frame, frame material, etc. may contain pests and eggs. After the insect-proof net is covered and before planting crops, the seeds, soil, greenhouse skeleton, frame materials, etc. must be treated with insecticide. This is the key link to ensure the cultivation effect of the insect-proof net and prevent the large number of diseases and insect pests in the net room. For serious damage, 1000 times liquid of thiamethoxam + chlorantraniliprole is used to irrigate the roots, which has a good effect on preventing the outbreak of piercing-sucking pests and underground pests.
2. When planting, the seedlings should be brought into the shed with medicine, and robust plants without pests and diseases should be selected.
3. Strengthen daily management. When entering and leaving the greenhouse, the door of the shed should be tightly closed, and the relevant utensils should be disinfected before agricultural operations to prevent the introduction of viruses, so as to ensure the effectiveness of the insect-proof net.
4. It is necessary to check the insect-proof net frequently for tears. Once found, it should be repaired in time to ensure that no pests invade in the greenhouse.
5. Ensure coverage quality. The insect-proof net should be fully enclosed and covered, and the surrounding area should be compacted with soil and firmly fixed with a lamination line; the doors of entering and leaving the large, medium shed and greenhouse must be installed with an insect-proof net, and pay attention to close it immediately when entering and leaving. Insect-proof nets cover cultivation in small arched sheds, and the height of the trellis should be significantly higher than that of the crops, so as to prevent vegetable leaves from sticking to the insect-proof nets, so as to prevent pests from eating outside the nets or laying eggs on vegetable leaves. There should be no gaps between the insect-proof net used for closing the air vent and the transparent cover, so as not to leave an entry and exit channel for pests.
6. Comprehensive supporting measures. In addition to the insect-proof net covering, the soil should be deeply plowed, and sufficient base fertilizers such as well-rotted farmyard manure should be applied to enhance the plant’s resistance to stress and disease. Combined with comprehensive supporting measures such as improved pest-resistant varieties and heat-resistant varieties, better crops can be obtained. Effect.
7. The insect-proof net can keep warm and moisturizing. Therefore, when carrying out field management, pay attention to the temperature and humidity in the net room, and ventilate and dehumidify in time after watering to avoid diseases caused by excessive temperature and humidity.
8. Proper use and storage. After the insect-proof net is used in the field, it should be collected in time, washed, dried, and rolled to prolong its service life and increase economic benefits.
Post time: Aug-02-2022