The effect of diffuse glass on the light distribution of crops in the greenhouse
By printing on the glass surface, the direct light passing through the glass medium is scattered in all directions, increasing the coverage of the light in the greenhouse, avoiding shadows and causing other crops to fail to obtain effective photosynthesis, and further increasing the planting density. Yield. At the same time, the scattered light can avoid the problems of photosynthesis, burns, withering, and withering (abscisic acid) caused by excessive heating of the irradiated crops.
Under the diffuse glass, the horizontal light distribution is more uniform, the light transmission is deeper, and the growth indicators such as photosynthetic rate, fresh and dry weight, leaf area, LAI, and SPAD value are larger than the middle of the plant. Non-diffuse glass. The 3D simulation results confirmed that the diffuse glass improves the light absorption efficiency of the top and middle layers by reducing the fluctuation of spatial radiation distribution, the canopy distribution and the difference between the leaves. Under the diffuse glass, the horizontal light distribution is more uniform, the light transmission is deeper, and the growth indicators such as photosynthetic rate, fresh and dry weight, leaf area, LAI, and SPAD value are larger than the middle of the plant. Non-diffuse glass. The 3D simulation results confirmed that the diffuse glass improves the light absorption efficiency of the top and middle layers by reducing the fluctuation of spatial radiation distribution, the canopy distribution and the difference between the leaves.
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