Manual Growing lights
1).
Figure 2.1 Take into account the angle of the sun and the presence of a sidewall screen for placement of
hives.
To make sure bumblebees only fly around [...] reflects 90% of the UV-light. It disturbs the orientation of bumblebees while it falls and when it
covers the greenhouse. Keep a close eye on pollination [...] Watt/m2 PAR-light or 56 Watt/m2 sunlight at the location of the
hive. Depending on the type of greenhouse, this resembles about 60-70 Watt/m2 sunlight outside