Manual Growing lights
important to give the
bumblebees the opportunity to work during the hours with the most daylight. Therefore, we advise using an
automatic opening and closing [...] lot of light in the yellow/red light spectrum, which seriously interferes with the bees’ vision (see
figure 1.2).
Source: Philips
Figure 1.2 light spectrum [...] hive design for Natupol Excel (see
figure 1.3 & 1.4). This hive is equipped with a blue hive door (in the visible spectrum for bumblebees) and
has a special