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How does the color of Mulch Film affect soil temperature, sunlight reflection, and crop growth?
How does the color of Mulch Film affect soil temperature, sunlight reflection, and crop growth?
The color of Mulch Film can influence how sunlight interacts with the soil and plants. Black film absorbs more solar radiation and can contribute to warming the soil while also blocking light from reaching weeds. Transparent film allows sunlight to pass through and can increase soil warming under suitable conditions, but it generally provides less effective light-based weed suppression. Silver or reflective film reflects a greater portion of incoming sunlight and can alter the temperature around the crop canopy while reducing the amount of radiation absorbed by the soil. Because temperature and light requirements vary between crops and growing regions, farmers should select film color.
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