A farming environment measured by the plurality of sensors can be monitored through a mobile or a web. The supply of water, the adjustment of a water level in the reserve tank, and the adjustment of an electrolyte concentration for water electrolysis by the self-contained hydrogen generation unit can be controlled based on a result of the monitoring. Furthermore, the adjustment of a temperature and humidity, the management of a ground component, the supply and adjustment of a nutrient solution, the adjustment of a CO2 concentration, and watering in a farming environment can be controlled. Such control can be manually performed by displaying a monitored result on a display or can be performed through remote machine control through a mobile or a web.
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For example, hydrogen and air (i.e., oxygen) may be supplied to a stack of fuel cells through a blower 521 based on a result of the monitoring.
The amount of hydrogen may be controlled using a pressurizer 522 based on a result of monitoring using the thermometer 511 and the flowmeter 512.