Manual Growing lights

pollination. We then combined all this knowledge in our new bumblebee hive design for Natupol Excel (see figure 1.3 & 1.4). This hive is equipped with a blue [...] placement o Automatic opening and closing of hives o Good ventilation due to the space between the bumblebee hives o Use of multiple systems spread in the greenhouse [...] greenhouse for an optimal level of pollination Two types of frames have been designed, one for 12 bumblebee hives and one for 4 bumblebee hives. The hives are