虽然粮食主产区分布广泛，但中国只有占全球7%的可耕地，要养活占全球20%的人口，因建设占用、灾毁、生态退耕等耕地面积持续减少。
suīrán liángshi zhǔchǎnqū fēnbù guǎngfàn ，dàn Zhōngguó zhǐ yǒu zhàn quánqiú de kěgēngdì ，yào yǎnghuo zhàn quánqiú de rénkǒu ，yīn jiànshè zhànyòng 、zāihuǐ 、shēngtàituìgēng děng gēngdì miànjī chíxù jiǎnshǎo 。
Although the main grain producing areas are widely distributed, China only has 7% of the world's arable land, and it has to feed 20% of the world's population. The area of cultivated land such as construction occupation, disasters, and ecological farmland has continued to decrease.