The Songnen Plain is a large, flat region located in northeastern China, primarily within Heilongjiang and Jilin provinces. It covers an area of approximately 100,000 square kilometers and is known for its fertile soil, making it an important agricultural zone. The plain is characterized by its vast grasslands and numerous rivers, which support farming and livestock raising. The climate of the Songnen Plain is continental, with cold winters and warm summers. This region is significant for its production of crops such as rice, corn, and soybeans. Additionally, the plain is home to various wildlife and natural resources, contributing to the local economy and biodiversity.