Manual Growing lights
general placement advice).
From week 40 until week 9, it is also important to make sure that the bumblebee hives catch direct daylight
(no filters, screens [...] the sun and the presence of a sidewall screen for placement of
hives.
To make sure bumblebees only fly around in the greenhouse at times when enough daylight [...] hives.
The hives are positioned with the openings in opposite directions to make sure the bumblebees find their
way back to their own hive. The big frames