Manual Growing lights
lost.
Note: A bumblebee colony can lose all its foraging bees in just 2 hours if the placement advice for
pollination under growing lights is not applied [...] high relative humidity (RH). If the RH rises above 80-85%,
the pollen is not released from the flowers and cannot be collected by the bumblebees (no
p [...] to humans. They need the blue, green and UV spectrum for foraging, but do
not see in the red light spectrum. Conversely, humans do see in the red light