PROBLEM TO BE SOLVED: To provide natural grass growing system that can satisfactorily grow natural grass planted on the ground while saving energy.SOLUTION: The present invention comprises a movable structure 1 that can move on a ground G where natural grass is planted, a light source 10 that is installed on the movable structure 1 and can irradiate the ground G with light, a blower 11 that is installed on the movable structure 1 and can blow air to the ground G, environmental state-detecting means 20, 21, 23 that detects the environmental state of the ground G affecting the growth of natural grass, and control means 30 that controls the operation of the light source 10 and the blower 11 based on the detection results of the environmental state-detecting means 20, 21, and 23.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2020,JPO&INPIT【課題】省エネルギ化を図りながらグランドに植栽された天然芝を良好に育成可能な天然芝育成システムを提供する。【解決手段】天然芝が植栽されたグラウンドＧ上を移動可能な移動式構造体１と、移動式構造体１に設置されてグラウンドＧに光を照射可能な光源１０と、移動式構造体１に設置されてグラウンドＧに空気を送風可能な送風機１１と、天然芝の育成に影響を与えるグラウンドＧの環境状態を検知する環境状態検知手段２０，２１，２３と、環境状態検知手段２０，２１，２３の検知結果に基づいて光源１０及び送風機１１の作動を制御する制御手段３０と、を備えた。【選択図】図２
