Where are the three granaries in China?

The four granaries in China are defined as the four plains in China, which mainly produce rice:

1, Northeast Plain

Located in the northeast of China, between Daxing 'anling, Xiaoxing 'anling and Changbai Mountain, with an area of 350,000 square kilometers, it is the largest plain in China. Most of them are below 200 meters above sea level, and the ground is vast and flat, including Sanjiang Plain, Songliao Plain, Songliao Basin, Liaohe Plain and many swamps along the river. It mainly includes Heilongjiang, Jilin and Liaoning provinces.

2. North China Plain

Taihang Mountain in the west, seaside in the east, Yanshan Mountain in the north and Huaihe River in the south. Covering an area of 300,000 square kilometers, it is deposited by sediment carried by rivers such as the Yellow River, Huaihe River and Haihe River, also known as the Huanghuaihai Plain. The average elevation is below 100 meters, with low terrain, deep soil layer and fertile soil. It mainly includes Hebei, Henan, Beijing, Tianjin and Shandong (including northern Jiangsu and northern Anhui).

3. Plain in the middle and lower reaches of the Yangtze River

From Wushan to the east to the seaside, it is alluvial from the Yangtze River and its tributaries. The area is about 6.5438+0.6 million square kilometers. The plain is lower than the North China Plain, with an average elevation of less than 50 meters. Some places are less than 5 meters above sea level, and there are many rivers and lakes, so it is called "water town Zeguo". It mainly includes Hubei, Anhui, Jiangsu, Shanghai and northern Zhejiang.

4. Pearl River Delta Plain

It is located in the south-central part of Guangdong Province, with an area of about 1 1000 square kilometers and an average elevation of about 50 meters. The river network here is vertical and horizontal, and the isolated mountains are scattered.

National food security work:

1. Strengthen reform and innovation, continue to deepen the reform of grain purchasing and storage system, further stimulate market vitality, adhere to market-oriented reform and pay equal attention to protecting farmers' interests, improve the minimum purchase price policy of rice and wheat, reasonably determine the price level, and guide the establishment of a market operation mechanism with excellent grain and good price.

2. Further strengthen reserve management, continuously improve the efficiency and effectiveness of reserve operation, and ensure that it can be obtained, adjusted quickly and used.

3. Strengthen the bottom line thinking, do a good job in grain purchase, and ensure that it is difficult to sell grain. Do a good job in policy acquisition and play a good role in supporting the bottom. Do a good job in market-oriented acquisition and stimulate market vitality.

4. Further strengthen precise regulation and control, strengthen the construction of grain market system, continuously improve the efficiency of grain supply, continue to run the China grain trade conference and regional trade fairs, develop spot trading of bulk grain with the national grain trading platform as the leader and the regional grain trading platform as the backbone, and smooth the grain circulation channels.

5. Further strengthen risk prevention and control, improve the monitoring and early warning system of the grain market, continuously enhance the forward-looking, predictive and targeted work, and continuously improve the ability level of service decision-making, service industry and service society.