The present invention relates to a device (1) for aerating compost, particularly compost and/or substrates for the cultivation of mushrooms and other fungi, comprising: a container (2) comprising a floor (3) surrounded by walls (4, 5, 6, 7) for holding the compost； an air distributing device (9) arranged on or in the floor for distributing air supplied to the air distributing device over the floor surface (10)； an air supply device (16) for supplying air to the air distributing device； and a removable, at least air-permeable cover (11) arranged above the air distributing device and extending substantially over the floor surface.
