Insufficient lighting time in winter, coupled with the cover film, lighting in the shed will be affected to a certain extent, so that the growth of vegetables is very unfavorable, the following methods can be used to make up the vegetables in the shed to light, for the shed vegetables to increase production and income to lay a good Foundation.
Adopting mechanical roller blinds to adopt mechanical roller shutters in winter not only saves manpower and reduces labor intensity, but also significantly shortens the time for exposing and covering straw curtains or insulation, effectively extending the lighting time of vegetables in the shed.
The use of a light conversion film for the selection of a light film shed can increase the light intensity in the shed, which is very favorable for the growth of vegetables in the shed.
Maintaining the dust and dirt on the shed film cleaning film can significantly reduce its light transmittance. Therefore, it is necessary to regularly clean the dust and dirt on the surface of the shed. Snow should be removed at any time during the snow days to keep the surface clean and the shed film should maintain a high light transmittance.
The vegetable mulching film in the membrane shed on the ground covers not only improves the ground temperature and reduces the air humidity in the shed, but also increases the light intensity of the base of the vegetable and makes up for the lack of direct light at the base.
Hanging light curtains hanging light curtains on the walls of greenhouses can significantly increase the light intensity of vegetables near the back wall and increase the output of vegetables in the region.
Artificial light fills with continuous rain, snow, and snow, and conditions should turn on lights or ignite biogas lights to help the vegetables tide over the difficulties and prevent vegetables from dying due to chronic lack of light.
Reasonable pruning and timely pruning, snoring, and destroying old leaves, diseased leaves and dead leaves have obvious effects on improving the lighting conditions of vegetables in sheds and increasing the yield of vegetables.
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