| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for growing a natural turf for stadiums in which an apparatus is brought to be simplified by controlling the temperature of feed water to the natural turf itself and bringing a temperature control system to serve as a feed water control system at the same time to uniformly equalize the whole earth temperature with reducing temperature differences from part to part owing to penetration of temperature-controlled feed water, thus the natural turf is brought to uniformly grow all over vegetation areas. SOLUTION: In a stadium S in which satellite buildings 30, 31, 32 such as the seats for public and the like are installed and natural turf is planted, the temperature of feed water to the natural turf is controlled based on the detected value by detecting the temperature in soil of a sun-shining area which is brought to the highest temperature without affected by the shadows of the satellite buildings 30, 31, 32 on the planted surface 1 of the natural turf. The temperature-controlled feed water is supplied to the whole planted surface 1 of the natural turf.
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