Artificially lit crops pollination advice
when insufficient daylight occurs (particularly 4 to 10 weeks before or after the shortest day, depending on latitude and environment) rapid decline in [...] bumblebees are allowed to fly between 10:00 a.m. and 2:00 p.m. (4 weeks before/after the shortest day), with an additional half-hour per week. For optimal pollination [...] reflects 90% of UV-light. When snow covers the greenhouse, it acts as an effective UV filter, affecting pollination . Monitor pollination and consider introducing