古人造的“犁”字,既象形又会意。“犁”作为耕日的农具,与禾苗有关,和牛紧密相连。在几千年的水稻生产中,牛一直是不需要烧油、不污染环境的拖拉机。1.役牛耕田促进生产力大发展7000年前,河姆渡人用宽扁的牛肩胛骨,巧妙地捆绑上木棍,做成能耕翻土地的骨耜,开始栽培水稻(图3.1)。这件看似简单的事,却迈开了稻作文明的第一步。公元 Ancient man made “plow ” word, both pictorial and knowing. “Plow ” as farming day farming tools, and seedlings, and cattle are closely linked. For thousands of years of rice production, cattle have been tractors that do not require oil to burn and do not pollute the environment. 1. Live cattle to promote large-scale development of productive forces 7000 years ago, Hemudu wide flat bovine shoulder blades, cleverly tied with wooden sticks, made of plow tillage of the soil, began to cultivate rice (Figure 3.1). This seemingly simple thing, but embarked on the first step of rice culture. A.D.