怎样合理调节光照

植物图片 2019-03-27 20:18

植物与光照

合理调节光照：

④合理安排摆放的位置。高大喜阳花卉可摆在敞亮的地方，接受较强的阳光，下面可放些喜阴花卉；一些矮小喜阳花卉，可摆在高大花卉的前面。

②遮荫。盛夏，将喜阴花卉摆在荫棚或树荫下遮荫，避免强光直射。有些还需选择背风避雨、空气湿度较高的环境。

③调节光周期（光照时间的长短）。依据每种植物的光照需要，调节光照时间，达到如期目的。如要使一品红在国庆节时开花，需要在8月上旬开始遮光，每天给予日照8-10小时，单瓣种需要遮光45-55天，重瓣种需要遮光50-65天。

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