Manual Growing lights
resembles about 60-70 Watt/m2 sunlight outside.
To help them do their job, our general advice is to place the hives as high as possible (above the crop) in
the [...] greenhouse, along the walkway under the gutter
(according to Koppert’s general placement advice).
From week 40 until week 9, it is also important to make [...] additional pollen is fed to the bees.
2.1 When to open and close the hives
In general, the hives can be opened if there is 28 watt/m 2 PAR-light, 15 minutes after