山西稷山考古新发现：东周时期北方旱作农业实证

Core Insights - The Guojia Zaoyuan site in Jishan, Shanxi Province, has been identified as a typical example of northern China's dry farming tradition during the Eastern Zhou period [1][3] Group 1: Archaeological Findings - The Guojia Zaoyuan site covers an area of nearly 1 million square meters and was discovered in 2009, with significant cultural deposits from the late Yangshao culture, the second phase of the Miaodigou culture, and the Eastern Zhou period [1] - A total of 19 soil samples were collected from 17 archaeological units during the 2009 excavation, specifically targeting important relics [2] Group 2: Plant Remains Analysis - The analysis revealed charred plant seeds and fruits from the Eastern Zhou period, including millet, broomcorn, wheat, and soybean, with millet being the dominant crop [3] - The absence of rice remains and the limited presence of wheat and soybean may relate to the site's environmental conditions and the limitations of archaeological findings [3] - Wheat dating indicates its significance during the Spring and Autumn period, highlighting its increasing importance in Shanxi agriculture during the Eastern Zhou to Qin-Han periods [3]