Insect-proof nets have both shading and insect-proof functions
Insect-proof nets have both shading and insect-proof functions, and are a new type of material for preventing insect pests in field vegetables. Insect-proof nets are mainly used for the seedling and cultivation of cabbage, beetroot, summer radish, kale, cauliflower and vegetables such as eggplant, melon and beans in summer and autumn, which can improve the seedling emergence rate, seedling success rate and seedling quality.
Form of mulching
(1) Cover the insect protection net directly on the trellis frame, surrounded by soil or bricks to press tightly and compact, and fasten the net with pressure film line, and use it with pressure film line and film rollers, leaving the main door uncovered.
(2) Bamboo or steel bent into a small arch frame, inserted in the field border, will be covered with insect protection net on the arch frame, later watering directly on the net, until harvesting are not uncovered, the implementation of the full closed cover.
(3) Adopt horizontal trellis coverage. Folded cover growing period insect protection net shade less, no need to cover day and night or before and after uncovering, should be covered throughout, do not give pests have the opportunity to invade, in order to receive satisfactory insect control effect.
- Soil disinfection after the harvest of the previous crop, the timely removal of the previous crop residues and weeds out of the field, concentrated on burning.
- 10 days before the construction of the shed, put water to flood the vegetable beds for 7 days to drown the eggs of surface and underground pests and aerobic pathogens, then remove the water, let the sun exposure for 2-3 days, and spray the whole field with pesticides to sterilize and kill insects. At the same time, the pest control net should be compacted and sealed around the field to prevent pests from diving in and laying eggs.
- When cultivating in small arches, the arches should be higher than the crop to avoid the leaves from clinging to the net to prevent pests such as yellow-striped flea beetles from feeding on the leaves and laying eggs on them.
Application scope
1, Leafy vegetables are vegetables that urban and rural residents like to eat in summer and autumn, with the characteristics of fast growth and short cycle, but open field production has many pests and serious pesticide pollution, the public dare not eat. The use of insect-proof nets to cover cultivation can greatly reduce pesticide pollution.
2, Insect-proof net cultivation for eggplant and melon. Eggplant and melon are prone to virus disease in summer and autumn. The application of insect-proof nets cuts off the aphid transmission pathway and reduces the harm of virus disease.
3, Nursery. June to August every year, is the autumn and winter vegetables seedling season, and is high humidity, heavy rainfall, pests frequent period, seedling difficult. After the use of insect-proof net vegetable seedling emergence rate, high seedling rate, seedling quality, so as to win the initiative of autumn and winter vegetable production.
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