植物的生長全賴光合作用提供能量及資源。在這層面上,所選用的光源亦是一大學問。480Please respect copyright.PENANA5NDm4MLtHL480Please respect copyright.PENANAMLD42FV3Ij
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(圖2)葉綠素(Chlorophyll)為植物吸收光線的重要位置。480Please respect copyright.PENANABdHG6PS3VE
利用化學物分離葉綠素的話,共可分為葉綠素a及葉綠素b兩大部份。480Please respect copyright.PENANA76Audp2gxy480Please respect copyright.PENANA1rLjqXEp1O
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葉綠素a主要吸收紅光,而葉綠素b則主要吸收藍光。480Please respect copyright.PENANAlS9aZzA4Qh
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綠光並沒有有效地被葉綠素吸收的關係,因此葉綠素在我們的眼中呈為綠色。480Please respect copyright.PENANAVF0Q916shj
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(圖3)近來有研究發現,配合日照再加上紫外線燈(UVA)的方式種植,生菜的葉綠素、蛋白質、維他命C及糖粉對比單獨日照方式種植更之為高,而硝酸鹽的成份則有所降低。480Please respect copyright.PENANAzVR50F0mKY480Please respect copyright.PENANAnWXH6zkcpc
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這有可能是紫外線對植物的新陳代謝產生變化所致,還需要進一步的研究才能證實。480Please respect copyright.PENANAX7b2DDjnj8
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同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」,以課金的方式推動我繼續搜羅資料寫文,多謝。480Please respect copyright.PENANAVI6xc7wyid
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除非Facebook及IG重開侵侵的account,否則我的IG將不會再作更新,只會寄居本土LIHKG及Penana。480Please respect copyright.PENANAbgsSJZnZfw
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Ref1:https://www.sciencedirect.com/science/article/pii/S0308814620325899?via%3Dihub#t0010480Please respect copyright.PENANAHslt2ZsaSj