How To Deal With The Anti Insect Net Proof Net When Disinfecting The Soil
After harvest, remove the residues and weeds from the field and burn them down.Ten days before the establishment of the shed, release water to flood the vegetable beds for seven days, drown the eggs of surface and underground pests and air bacteria, then remove the water, let the sun exposure for 2-3 days, and spray pesticide to kill pests and bacteria in the whole field.At the same time, the anti-insect network should be compactly sealed around to prevent pests into laying eggs.When the small arched shed is covered and cultivated, the arched shed is higher than the crop, avoiding the vegetable leaves close to the insect-proof net, and preventing the yellow stripe jumping turtle and other pests outside the net from feeding on the vegetable leaves and laying eggs on them.
The use of insect - proof nets in vegetable production has many advantages.The function of insect proof net is introduced as follows now:.Vegetable field covered with insect control net, basically can be exempt from cabbage insects, small cabbage moth, cabbage night moth, twill night moth, yellow kojic jumping beetle, aphid and other pests.
Disease prevention.Viral diseases are disastrous diseases of many vegetables, mainly transmitted by insects, especially aphids.Because the pest control net cut off the transmission route, greatly reduced the incidence of viral disease, prevention effect of about 80%.
Adjust the temperature, soil temperature and humidity.Experiment shows that the hot summer, insect nets with a white covering on arch in the greenhouse, greenhouse temperature and outdoor levels in the morning and evening, and sunny day around noon 1 ℃ lower than the open field;Early spring 3 ~ 4 month, insect nets cover within greenhouse after 1 ℃ ~ 2 ℃ higher than the outdoor air temperature and ground temperature is higher than outdoor 5 cm 0.5 ℃ ~ 1 ℃, can effectively reduce the frost;Insect net can prevent part of the rain into the shed, reduce the field humidity, reduce the incidence, sunny days can reduce the moisture evaporation in the greenhouse.
.block out the glare.Summer light intensity, strong light will inhibit the vegetative growth, especially leaf vegetables vegetables, and insect nets can play a certain shading and protection against direct light.
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