Sinus management is an ecological mowing method. It is a meandering mowing method, whereby part of the grass remains uncut. By mowing in winding paths and in phases, a diverse grassland is created. As a result, there is plenty to be found for butterflies, bees and birds all year round, thus contributing to biodiversity.
Please see for more information the Butterfly Foundation’s website: https://www.vlinderstichting.nl/sinusbeheer/