三杨庄汉代聚落遗址出土了一件形制呈鼓形的石磙,作为一件农业生产工具,这件鼓形石磙的功能可能具有多样性。根据文献记载和现今农村仍在使用的传统农具——砘子推测,它是一件镇压器,主要功能是覆种,以达到令种、土相亲的效果,从而有利于农作物发芽与生长。 Three Yangzhuang Han Dynasty settlement ruins excavated a shape of the drum-shaped stone, as an agricultural tool, this drum-shaped stone may have a variety of functions. According to the literature and the traditional farming tools still in use today in rural areas, it is speculated that it is a compactor. Its main function is to cover the seeds so as to achieve the effect of making seeds and soil blindness, thereby facilitating the germination and growth of crops.