The lack of light in greenhouse vegetables is a common problem. Insufficient illumination not only fails to produce more vigorous photosynthesis, but also reduces transpiration, and plants grow weakly, which affects the yield and quality of vegetables. Therefore, it is necessary to take some effective measures to improve the lighting conditions in the greenhouse and to produce vegetables in greenhouses. Reasonable layout: When planting different types of vegetables in greenhouses, the principle of “lower height from north to south†should be followed, so that the plants can be staggered in height and order, and mutual obstruction can be minimized. Transplanting the same kind of vegetables, trying to make the seedlings the same size, so that the plants grow neatly and reduce shading between the plants. At the same time, it is better to do planting in the north and south to make it as sunny as possible. Keep the shed membrane clean: water droplets, dust and other debris on the shed film will reduce the light transmittance by about 30%. After the new film is used for 2 days, 10 days and 15 days, the lighting in the shed will be reduced by 14%, 25%, and 28% in turn. Therefore, it is necessary to regularly clean, wash the dust, dirt and water droplets on the surface of the house, and keep the surface of the film clean to increase the transparency of the film. Reasonably uncovering the straw curtain: Under the premise of doing well the insulation work, appropriate early removal of the straw curtain used for heat preservation and delayed cover curtain can prolong the lighting time and increase the amount of lighting. Generally, the curtain is uncovered 0.5-1 hours after the sun comes out, and the curtain is covered half an hour before the sun goes down. Especially in the rainy days when it rains, it is necessary to properly uncover the sun's scattered light. Dropless membranes are used: Drop-free membranes incorporate several active agents in the formulation to make the affinity between the water molecules and the membrane greatly weaken. Water droplets flow along the membrane and flow into the ground without any water droplets. The use of a drip-free membrane shed can increase the light intensity in the shed and increase the temperature of the shed. Set the light curtain: Use aluminized film reflectors with a width of 2 meters and a length of 3 meters. Hang it in the north side of the greenhouse to make it perpendicular to the ground, so that the ground will be brightened by about 40%, and the temperature of the shed will increase by 3-4 degrees Celsius. In addition, laying silver-gray film on the ground can also increase the light intensity between plants. Do a good job of planting: timely pruning, smashing, vines, old leaves and other field management, is conducive to ventilation and light conditions within the shed. Sunshine is a necessary condition for green plants to carry out photosynthesis. In the season when the number of light hours is small and the intensity is low, sunlight is collected in greenhouses, which plays an important role in increasing the yield and quality of vegetables. Medical Boiling Machine,Hospital Supply Room Boiling Machine,Medical Device Boiling Machine,Hospital Boiling Machine Taizhou Gaogang District Dixin Medical Equipment Co., Ltd. , https://www.dixinmedical.com