<;P>;PROBLEM TO BE SOLVED: To provide a plant cultivation device for effectively performing both plant cultivation, and work such as harvesting and tilling to be performed in a tillage accordingly. <;P>;SOLUTION: This plant cultivation device includes digging a plurality of work passages 2 at a prescribed interval in a tillage, making a plurality of tillages 1 of a prescribed width at a prescribed interval, forming a reinforcing part 11 in which a plurality of attachment holes 13 are drilled on the upper end along both the side surfaces of the tillage 1, forming a long fixation member 3 to be attached to the upper end of the reinforcing part 11 followed by installing fixation pipes 35 at a prescribed interval by piercing the nearly central part of the fixation member 3, installing a wheel track 33 and a watering device 32 adjacently to the tillage side of the fixation pipe 35, and engaging the fixation pipe 35 with the attachment hole 13 of the reinforcing part 11. <;P>;COPYRIGHT: (C)2011,JPO&INPIT