Manual Growing lights
you do have screens in your greenhouse, for example on the sidewalls, also
take the angle of the sun into account. It can happen that the direction of the [...] hives if they are behind a sidewall screen (see figure 2.1).
Figure 2.1 Take into account the angle of the sun and the presence of a sidewall screen for [...] and pollination time for
bumblebees.
Under optimal light conditions, it takes up to 60-90 minutes for the last foraging bumblebee to return to the
hive