用于调节光照，促进植物生长。
专利摘要
本发明涉及一种半透明聚合物材料的植物保护罩，包括至少一种透射光谱调节剂，用于最小化紫外区（高达350 nm）的透射；并根据待栽培植物的光合和光形态发生需求，调节可见光区（350 nm至750 nm）的透射，以改善此类植物的生长条件。该保护罩还包括一种透射光谱调节剂，用于最小化红外区（750 nm以上）的透射。可见光区（350 nm至750 nm）的透射通过减少透射的绿光和黄光波长以及将透射的蓝光与红光波长比改变为2:3来调节。该保护罩优化了其下栽培植物的生长条件，从而提供相对增强的植物生长和性能。
Original abstractThis invention relates to a plant protective cover of a translucent polymeric material including at least one transmission spectrum modifier for minimizing the transmission in the ultraviolet range up to 350 nm; and for adjusting the transmission in the visible light range between 350 nm and 750 nm in accordance with photosynthetic and photomorphogenic requirements of plants to be cultivated underneath the plant protective cover, to enhance the growth conditions of such plants. The cover further includes a transmission spectrum modifier for minimizing the transmission in the infrared range above 750 nm. The transmission in the visible light range between 350 nm and 750 nm is adjusted by decreasing the transmitted green and yellow wavelengths and by changing the ratio of blue to red wavelengths transmitted towards a 2:3 ratio. The cover optimises growing conditions for plants cultivated underneath the cover thus providing relatively enhanced plant growth and performance.
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