The present invention relates to a partial plowing device, and to a rice-planting machine having the same. More particularly, the partial plowing device can partially plow a rice field, and can simultaneously conduct rice planting, topdressing, and spraying herbicide. The partial plowing device comprises: a base frame (100)； a rice-planting shaft (200) formed on the base frame to be rotatable； a plurality of rotary blades (300) arranged at regular intervals, and plowing farmland； and a plurality of hacksaw blades (400) arranged between the rotary blades, and removing weed between plowing rows.본 발명은 부분경운장치, 및 이를 부착한 이앙기에 관한 것으로서, 보다 상세하게는 부분경운작업과 동시에 이앙작업, 시비작업, 제초제 살포작업을 동시에 수행할 수 있는 부분경운장치, 및 이를 부착한 이앙기에 관한 것이다.
