Manual Growing lights
to the
lowest hives, which causes the hives at the top of the stack to become vacant. Horizontal placement
systems do not cause any drift of bumblebees. [...] close 10 to 12 hours later.
Switching on the growing lights before midnight, causes the flowers to close as early as 10:00 in the
morning, which leaves hardly [...] don’t receive enough daylight for
the bumblebees to fly out. This can be caused by the crop covering/ shading the lowest hives. Research
also showed that