HYDROPONIC APPARATUS AND HYDROPONIC METHOD

摘要

PROBLEM TO BE SOLVED: To provide a hydroponic apparatus capable of making environment of an underground part of a plant better.SOLUTION: A hydroponic apparatus 1 waters an underground part B in order to raise a plant 100 that accumulates nutrient synthesized in an above-ground part A in an underground part B. The hydroponic apparatus 1 comprises: a space part 20 which houses the underground part B in a substantially sealed state; a sensor part 14 which detects moisture content of the space part 20 in the underground part B or around the underground part B; an air-conditioning fan 41 which introduces outside air into the space part 20 and controls temperature and humidity in the space part 20; and a control part 3 which drives an air-conditioning fan 41 so as to adjust an outside air amount or outside air introduction time and controls the moisture content detected by the sensor part 14.