敖汉旗位于内蒙古的东部,赤峰市的东南,是华北燕山山地向辽河平原的过渡地带。其地貌类型由南向北依次为低山丘陵、黄土丘陵、漫岗坨召。河流两岸为宽窄不等的冲积平原。成土母质主要有:不同岩性的基岩风化物、红土、黄土、沙黄土、风积沙以及质地较轻的河流冲积物。敖汉旗的气候为半干旱大陆性气候,主要土壤类型有棕壤、 Aohan flag is located in the eastern part of Inner Mongolia, Chifeng City, southeast, is the North China Yanshan Mountains to the Liaohe Plain transition zone. The topography from south to north followed by low hills, loess hills, Man Gang lump called. Both sides of the river are wide and narrow alluvial plain. Soil parent materials are mainly: lithic weathering materials of different lithology, laterite, loess, sandy loess, aeolian sand and lighter alluvial rivers. Aohan Qi climate is semi-arid continental climate, the main soil types are brown soil,