Manual Growing lights

In winter time, when (UV)light levels are already low, growing lights (SON-T) are often used. These lights spread a lot of light in the yellow/red light [...] bumblebee hives if they are behind a sidewall screen (see figure 2.1). Figure 2.1 Take into account the angle of the sun and the presence of a sidewall screen [...] placement system A collaboration between the Dutch companies Schenkeveld Tomaten, Jan Lelij, and Metazet/FormFlex has led to the production of a new system for