Manual Growing lights
during snowfall and introduce extra bumblebee
hives if necessary or temporarily carry out hand pollination. If possible, remove the snow from the roof of
the [...] pollination.
Higher temperatures could also lead to a high relative humidity (RH). If the RH rises above 80-85%,
the pollen is not released from the flowers and [...] that the bumblebee hives catch direct daylight
(no filters, screens, etc.). If you do have screens in your greenhouse, for example on the sidewalls, also