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The main points of the use of agricultural insect nets
The agricultural insect-proof net can block light, but it does not block much light. When using it, it should be covered all the way, and the two sides should be compacted with bricks or soil, so as not to give the opportunity for diseases to invade, so as to achieve a satisfactory insect-proof effect. In the case of ordinary wind speed, you can do not need to press the network cable. In case of strong winds of grade 5~6, you need to pull up the pressure network cable to avoid the strong wind from lifting the network.
The specifications of the insect net include width, hole diameter, color, etc. Aperture is a very critical factor. If the mesh number of the insect-proof mesh is relatively small, the mesh will be relatively large, and the effect of insect-proof will not be achieved; if the mesh number is too large, the mesh will be too small. Too high temperature is detrimental to plant growth and development. Compared with summer in spring and autumn, the ambient temperature is lower and the sunlight exposure is weak, so white insect-proof nets should be used; in summer, in order to better measure the shading and cooling, black or silver-gray insect-proof nets should be used; when aphids and virus diseases appear more serious In this area, in order to better repel aphids and prevent virus diseases, silver-gray insect-proof nets should be used.
In addition to covering with insect nets, better results can be achieved by integrating comprehensive supporting measures such as improved pest-resistant varieties, heat-resistant varieties, zero-pollution organic fertilizers, biological pesticides, zero-pollution water resources, and sprinkler irrigation.
Seeds, soil layers, plastic sheds or greenhouse frames, frame materials, etc. may contain diseases and eggs. After the agricultural insect-proof net is covered and before planting plants, the seeds, soil layer, greenhouse frame, frame material, etc. must be treated with insecticides. This is also an important link to ensure the effect of insect-proof net covering and cultivation, so as to avoid large quantities of diseases in the net room. occurs, causing serious harm. There are also some farmers who use thiamethoxam (Acta) + azoxystrobin (Amicida) + Jiamei Hongli 1000 times liquid to irrigate the roots, which has also played a good role in preventing the occurrence of piercing-sucking mouthpart diseases.
Choose the species that are more suitable for planting in the agricultural insect control net. When planting, you need to pay attention to the row spacing and plant spacing, and plant them moderately. The fruit trees should be covered with shade nets, the soil layer should be deeply ploughed, and the amount of basic fertilizer applied such as well-rotted farmyard manure and compound fertilizer should be sufficient.
After the insect-proof net is used, it should be taken away as soon as possible, washed, dried, and rolled to increase its service life.
