公元前202年,刘邦称帝,国号汉。汉初统治者采取休养生息的政策。汉代农业在比较安定的环境中在国家重农抑商的扶植之下得到比较快的恢复和发展。汉代劳动者在前代劳动者发明的农具基础上改进和创新了农具促使农业快速发展。汉代的耕地工具——犁、牛耕我国夏朝就发明了耒耜,用耒耜来翻整土地,播种庄稼,进行农业生产。随着生产的发展,耒耜发展成犁。战国时期以前,人们使用的只是石制、木制、骨制和少量的铜制耕地工具。后来由于牛耕的出现和冶铁业的兴起,开始出现铁制农具。但从春 In 202 BC, Liu Bang was the emperor and the country was Han. The rulers of the early Han Dynasty adopted a policy of rest and recuperation. In the comparatively stable environment of the Han Dynasty, agriculture was restored and developed relatively quickly under the support of the country’s emphasis on agriculture and commerce. Workers in the Han Dynasty improved and innovated on the basis of agricultural tools invented by previous generations of workers to promote the rapid development of agriculture. The arable land tools of the Han dynasty - plowing, cattle farming China’s Xia Dynasty invented the plutonium, used plutonium to rectify the land, sow the crops, and carry out agricultural production. With the development of production, we have developed into a plow. Before the Warring States period, people used only stone, wood, bone and a small amount of copper arable tools. Later, due to the emergence of cattle farming and the rise of iron smelting industry, iron farming tools began to appear. But from the spring