“…In 2021, the planted area for maize was 4.332 × 10 7 hm 2 and the total yield reached 272.6 million tonnes in China, accounting for 43.3% and 43.1% of the world's total planted area and yield, respectively, making it the number one crop in China. 1 Soybean is an important oil crop that is rich in vegetable protein and fat, and China is the world's largest consumer of soybean. In 2021, China's soybean imports reached 96.52 million tonnes, which is 5.9 times China's total soybean production.…”