NUTRIENT LIQUID SUPPLY DEVICE, PLANT CULTIVATION SYSTEM, AND NUTRIENT LIQUID SUPPLY PROGRAM

摘要

The purpose of the present invention is to provide a nutrient liquid supply device for which maintenance is easy. A spraying device (nutrient liquid supply device) 100 comprises: at least one nozzle 115 which can be inserted/removed to/from the inside of a cultivation container R containing therein at least the root of a plant, via an opening part 41 of the cultivation container R, and which sprays a nutrient liquid inside the cultivation container R; a drive part 130 that, via the opening part 41 of the cultivation container R, inserts/removes the nozzle 115 to/from the inside of the cultivation container R; and at least one moving body 140 that moves the nozzle 115 to the cultivation container R.