Cherry cultivation greenhouse of adjustable carbon dioxide concentration

The utility model discloses a cherry cultivation greenhouse of adjustable carbon dioxide concentration, including cultivation greenhouse, the cultivation greenhouse lateral wall is provided with the vent sash, the vent sash is inside to be provided with the pivot and to take a breath the blade, the inside one end of being close to the cultivation greenhouse outside of vent sash is provided with filter layer and filter screen, filter layer inside is provided with a plurality of filtration pores, the filtration pore lower extreme is provided with the recess, the inside packing of recess has alkaline solution, dash board is installed to the vent sash upper end, cultivation greenhouse's central authorities install the biological fermentation room, the indoor portion of biological fermentationfills has animal manure and microorganism, biological fermentation room upper end opening part is provided with the solenoid valve, the solenoid valve top is connected with the carbon dioxide sensor through the PLC controller