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西昌位于金沙江流域安宁河河谷地区,水热条件优越,自新石器时代晚期已有稻、粟、黍的种植活动,农业发展历史悠久。安宁河流域历来是青藏高原东麓南北文化交流的重要通道之一,族群迁徙、文化互动频繁~([1]),也是川滇地区作物传播路线上的重要连接点。由于该地区位于中国西南边缘地带,文献资料多涉及政治、民族,关于农业情况记载寥寥,因此通过考古浮选的方法了解历史时期的农业情况成为有效的手段。
Xichang is located in the Anning River Valley in the Jinsha River Basin. It has excellent hydrothermal and hydrothermal conditions. Since the late Neolithic period, rice, millet and millet have been planted. The agricultural development has a long history. The Anning River Basin has always been one of the important channels for cultural exchange between the north and the east of the Qinghai-Tibet Plateau. Ethnic migration and frequent cultural interactions ([1]) are also important connecting points in the route of crop dispersal in Sichuan and Yunnan. Since the area is located on the southwestern margin of China, the literature and materials are mostly political and ethnic, and there are only a handful of records on agriculture. Therefore, it is an effective way to understand the agricultural situation in the historical period through the method of archeological flotation.