Patent ID: 8756858

Claim:
A device for accelerating the growth and regenerating lawn areas, comprising an enclosed space in a tent ( 4 ) which has an open bottom and can be placed on a lawn area ( 2 ), a lighting means ( 14 ) for a lawn area ( 2 ), which is to be illuminated, being present in the space ( 4 ), and an effusion device ( 8 ) for CO 2 gas being additionally provided, which is arranged so as to emit CO 2 from a gas reservoir ( 10 ) into the space ( 4 ), characterized in that gas content in the space ( 4 ) is set to 500 to 2000 ppm CO 2 , wherein the tent ( 4 ) comprises an essentially gas-tight tent wall, and wherein the tent wall is formed so as to be isolating, comprising a foamed material foil sheet or air chambers arranged between two foil walls.