 Songnen Plain

The Songnen Plain () in Northeast China is named after the Songhua and Nenjiang Rivers and is connected to the Sanjiang Plain through the Songhua River Valley; a small plain lies north of Xingkai Lake in the east.The alkali-saline area of the western Songnen Plain is one of China's most important alkali-saline areas and have been increasing in size by 20,000 square hm per year as a result of natural and anthropogenic factors, which is impeding economic development in the area.