PROBLEM TO BE SOLVED: To provide an automatic watering system in a three-dimensional garden laid on a multilayered building, an automatic nutrition and medicament replenishing system, and an automatic mud recovery system.SOLUTION: In an automatic watering system in a three-dimensional garden, a drainage port 23 and a water supply port 21 connected by vertical pipes 3, each floor garden 6, an irrigation space 20, a surface soil dry sensor 7, and controllers 101, 102, 106, 107, 108 are disposed on each floor, a water supply tank 29 is disposed on an uppermost part of the building, and a storage tank 27 is disposed on a bottom layer of the building. Drainage water through the vertical pipe 3 from the drainage port 23 on each floor is supplied to the storage tank 27. Water is pumped up from the storage tank 27 to the water supply tank 29, and is supplied through the water supply port 21 on each floor from the water supply tank 29 to each floor garden 6. The controller controls, based on data from the surface soil dry sensor 7, amounts of water supply or drainage by controlling the water supply port 21 and the drainage port 23, and automatically replenishes rain water, reuse of the drainage water or clean water for the evaporated water to circulate water for irrigation.【課題】複層建築物に敷設する立体庭園における自動潅水システム、栄養、薬剤自動補給システム及び泥の自動回収システム。【解決手段】各階に、縦管３で接続された排水口２３と給水口２１、各階庭園６、潅水スペース２０、表土の乾きセンサー７、制御装置１０１，１０２，１０６，１０７，１０８、建物の最上部に、給水槽２９、建物の最下層に貯留槽２７を設け、各階の排水口２３から縦管３を通して排水して貯留槽２７へ給水し、前記貯留槽２７より給水槽２９に揚水し、給水槽２９から各階の給水口２１を介して、各階庭園６へ給水し、制御装置は、表土の乾きセンサー７からのデータに基づき、給水口２１または排水口２３の制御によって、給水量、または、排水量を制御し、蒸発する水を雨水、中水または上水を自動で補充制御して、潅水を循環させる。【選択図】図１
