Device for unpowered irrigation and fertilization, and unpowered pot cultivation system using same

An unpowered pot cultivation system, comprising:

• a water tank which includes a valve unit, and is able to be replaced;
• a pot in which a crop is planted;
• and
• a device for unpowered irrigation and fertilization which continuously supplies water or a nutrient solution contained in the water tank to the pot,
• wherein,
• the device comprises:
• a pot holder which is provided with a collecting recess in which water or a nutrient solution is collected, and is configured such that a bottom of the pot is immersed in water;
• a water tank holder on which a water tank is seated;
• a linking passage which connects the water tank holder to the pot holder;
• and
• a water level controller which is configured to control a opening and closing of the valve unit to consistently maintain the water level in the collecting recess, and
• a first rock wool layer is horizontally disposed at a bottom of the pot, and a second rock wool layer is vertically disposed at a lateral side of the pot.

An unpowered pot cultivation system, comprising:

• a plurality of pot holders which is provided with a collecting recess in which water or a nutrient solution is collected, and is configured such that a bottom of the pot is immersed in water;
• a connecting passage which connects each of the collecting recesses of the pot holders to each other;
• and
• a device for unpowered irrigation and fertilization which supplies the collecting recess of each of the pot holders with water or a nutrient solution through the connecting passage, wherein,
• the device for unpowered irrigation and fertilization comprises:
• a water tank holder on which a water tank is seated;
• and
• a water level controller which is formed to open or close a valve unit of the water tank such that a water level of the collecting recess is consistently maintained by supplying water or a nutrient solution to the connecting passage, and
• the pot holders are formed in a standardized pallet.