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Light diffusing greenhouse plastic can prolong your grow season and produce higher yields. This specialized greenhouse plastic is different from light deprivation. Rather than blocking, it evens out the lighting and energy plants receive from the sun. Diffusion reduces shadows and allows the plants to receive a more even distribution of light during the day.

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Diffusion reduces shadows and allows the plants to receive a more even distribution of light during the day. Although the intensity of light at any one point in time may be lower under a diffused film, the total light transmission is excellent and the plants may actually utilize more PAR light through the course of a day, with less stress. This is due to the more even distribution of light at crop level. By eliminating shadows and spreading available energy more evenly on the leaf surface, there is less stress on the top canopy of the plant and more photosynthesis occurring in the lower canopy.

WIth light diffusing greenhouse plastic, you can expect higher crop yields. Growers reportedly experience a 30-40% increase in total crop yields. For some crops, an increase in first quality crop yield of 85% was realized!

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The appearance of diffused greenhouse film is considerably different than standard polyethylene film. This is due to the diffusion (scattering) of light through the greenhouse plastic film. Plants utilize diffuse and parallel light, while our eyes “see” mostly parallel light. This causes a diffused greenhouse film to look dark and hazy compared to a “clear” film, even though the total light transmission remains the same.

Although the intensity of light at any one point in time may be lower under a diffused film, the total light transmission is excellent and the plants may actually utilize more PAR light through the course of a day, with less stress. This is due to the more even distribution of light at crop level. By eliminating shadows and spreading available energy more evenly on the leaf surface, there is less stress on the top canopy of the plant and more photosynthesis occurring in the lower canopy.