东北亚的石制农具（日）甲元真之姚义田译序言在东北亚，距今约七千年前，已开始了饲养猪、种植粟和黍的初期农耕文化。其后又增加了羊、牛、马、鸡等家言。谷类也增加了麦、高粱、豆等。公元前后己到北纬４５°附近。水稻在公元前一千年初在朝鲜出现，形成了没有家畜的独... Stone Farming Tools in Northeast Asia (Day) Yao Yitian, A Yuanzhenzhi Introduction In northeast Asia, approximately 7,000 years ago, the initial farming culture of raising pigs and planting millet and millet began. Later, an increase of sheep, cattle, horses, chickens and other family language. Cereal also increased wheat, sorghum, beans and so on. Before and after the BC to 45 degrees north latitude nearby. Rice appeared in North Korea at the beginning of the 1000 BC, forming a single animal without livestock ...