2. On the homepage of official website, click the price information column at the top of the page and select the national purchasing and storage price.
3. On the national purchasing and storage price page, you can see the purchase prices of various agricultural products, including wheat, corn, rice, cotton and rapeseed.
4. Check the historical price data, click the historical price query link at the bottom of the page, select specific agricultural products and time range, and query the historical price data.