this, we supply receivers with a normal hive door and transmitters with a modified (‘queen excluder’) hive door. There are also different timers…
Natupol Excel (see figure 1.3 & 1.4). This hive is equipped with a blue hive door (in the visible spectrum for bumblebees) and has a special, flower…
Fáðu nýjustu fréttir og upplýsingar um nytjaplönturnar þínar beint í pósthólfið