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Fig. 3: Substrate temperature

Fig. 3: Substrate temperature.

Letters indicate significant differences (HSD, p ≤ 0,05).

4.1.4 Leaf temperature

Leaf temperature was measured weekly at low solar radiation at around noon and fluctuated between 17-24°C. On average the leaf temperature was significantly higher in “HPS” compared to plants that got Hybrid lights (Fig. 4).

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