Manual Growing lights
have trouble finding their way back to the hive. For
effective orientation they need at least 28 Watt/m2 PAR-light or 56 Watt/m2 sunlight at the location [...] ty and pollination.
1.1 Bee vision
Bumblebees see differently to humans. They need the blue, green and UV spectrum for foraging, but do
not see in the [...] the sunbeams is too low and
therefore doesn’t reach your bumblebee hives if they are behind a sidewall screen (see figure 2.1).
Figure 2.1 Take into account