The present invention relates to an apparatus and method for harvesting, collecting and irrigation water for plant cultivation in a dry area, and an example of the invention is a plant model having stems and leaves, and the plant is grown by irrigation of rainfall and dew. It works the same way. The apparatus of the present invention includes at least one apparatus for harvesting water for condensing water in the air and irrigation. In the configuration of the present invention, a) a device body having a hydrophobic surface, and an inner body core enclosed by the hydrophobic surface; And b) a plurality of condensation-protrusions in which the inner body core is enclosed and enclosed by the hydrophobic surface, mounted on the hydrophobic surface and each having an inner core. Overall, it extends continuously to the hydrophilic surface of the device body and condensation-protrusions (inner) with a hydrophobic surface. When the device-body inner core and condensation-protrusion are cold compared to moist air, the hydrophilic surface condenses and extracts moisture in the air. When the hydrophilic surface is saturated, water flows over the hydrophobic surface to irrigate the water flowing to at least one target point.
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