Why is the north plain important to asia

The North China Plain (Chinese : 華北平原; pinyin : Huáběi Píngyuán) is based on the deposits of the Yellow River and is the largest alluvial plain of China. The plain is bordered on the north by the Yanshan Mountains and on the west by the Taihang Mountains, and the Yellow Sea. The Yellow River flows through the middle of the plain into Bohai Sea.