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什么是 PAR

贺拉斯-贺

最後更新:2023年12月26日

什么是 PAR

PAR 在照明中代表光合有效辐射。它是指波长在 400 到 700 纳米(nm)之间的光,这些光对植物的光合作用最为有效。这个范围包括红光、蓝光和绿光,它们对植物的生长和发育至关重要。PAR 光至关重要,因为它提供了光合作用所需的能量。

在照明行业,特别是在园艺和室内园艺领域,PAR 一词通常用来描述对植物有益的特定光照范围。PAR 光是用 PAR 计或光谱仪测量的,它们可以量化 400-700nm 范围内的光强度。

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虽然种植灯通常强调红光和蓝光,但绿光在推动光合作用方面也发挥着重要作用。绿光不仅有助于提高冠层的穿透力,还有助于有机害虫控制。

为确保植物的最佳生长,建议使用能提供以下光照的光源 宽光谱包括红色、蓝色和绿色波长。这样,植物就能接收到生长发育所需的全部光合有效辐射。

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