Why should the greenhouse install the inspect protection net? There are two main reasons. In addition to promoting the growth of vegetables in greenhouses, it also has many benefits for ensuring the environment in the greenhouse. Although the role of insert protection net is obvious, improper installation and use will also have negative effects.
1. The purpose of installing agricultural inspect protection net in greenhouses
(1) Pest control After covering the insect protection net, it can avoid a variety of insect pests such as cabbage caterpillars, diamondback moths, and aphids.
(2) Insect protection net can play a role in disease prevention, especially the spread of aphids, cut off the transmission of pests, especially the spread of aphids, greatly reduce the incidence of virus diseases, and avoid the spread of viruses to agricultural greenhouses Planting has disastrous consequences.
(3) The temperature control insert protection net can adjust the temperature and soil temperature of the agricultural greenhouse. In the hot summer, if the greenhouse is covered with a white insert protection net, the temperature in the greenhouse in the morning and evening will be the same as that in the open air, while at noon it is about 1°C lower than that in the open air; Covering the black inspect protection net in the spring and autumn season can achieve the effect of heat preservation and effectively reduce frost.
(4) Humidity control insect protection net can block part of the rainwater from falling into the agricultural greenhouse, reduce the field humidity, reduce the incidence of disease, and reduce the amount of water evaporation in the greenhouse on sunny days.
(5) Shading light In summer, the light intensity is large, and strong light will inhibit the vegetative growth of vegetables, especially leafy vegetables, and the inspect protection net can play a certain role in shading and shading.
2. Precautions for installing agricultural inspect protection net in greenhouses
(1) Different colors of the insect protection net correspond to different functions
Insect protection net is generally black and white, and a commonly used silver gray has a good repelling effect on aphids, and the color can be selected according to the actual user needs.
(2) Contain the source of infection
For the installation of an insect protection net in agricultural greenhouses, it is also necessary to use high-temperature stuffing greenhouses or spray low-toxic pesticides to kill parasite pupae and larvae in the soil before sowing or planting.
(3) Daily management
①When entering and leaving the agricultural greenhouse, the shed door should be tightly closed, and the relevant utensils should be disinfected before agricultural operations to prevent the introduction of viruses, to ensure the use effect of the inspect protection net.
②It is necessary to frequently check whether there is a tear in the inspect protection net. Once found, it should be repaired in time to ensure that no pests invade the agricultural greenhouse.