PURPOSE: A loess water channel pipe having a vegetation groove and a manufacturing method thereof are provided to plant water plants in a vegetation groove by efficiently circulating water. CONSTITUTION: A loess water channel pipe(100,200) having a vegetation groove comprises a water flow surface(110,210), ground contact surfaces(120,220), and a vegetation groove(115,215). The water flow surface is concave to efficiently circulate water. The ground contact surfaces are formed on both ends of the water flow surface and are placed on the ground. The vegetation groove is formed on the water flow surface and filled with earth and water to grow water plants.
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