Manual Growing lights
that is available). In the weeks
10 until 39, you can place the hives lower in the greenhouse, along the walkway under the gutter
(according to Koppert’s [...] important to give the
bumblebees the opportunity to work during the hours with the most daylight. Therefore, we advise using an
automatic opening and closing system [...] a lot of heat, and can therefore influence the local
climate in the greenhouse. This can lead to poor flower quality, which results in poor pollination