Manual Growing lights
Figure 1.1 human vision VS bee vision.
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In winter time, when (UV)light levels are already low, growing lights (SON-T) are often used. These lights
spread [...] more direct entries of bumblebees
into the hive.
Figure 1.3 UV pattern on flower.
Figure 1.4 UV pattern on Natupol Excel hive.
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2 Placement of hives [...] vision
Bumblebees see differently to humans. They need the blue, green and UV spectrum for foraging, but do
not see in the red light spectrum. Conversely