So the total grain yield is increased. The increasing population brings the large stress on cropland and grain resource.
河北省未来人口持续增长，对耕地和粮食资源产生很大压力；
Although milk total yield and average consumption per capita in China have been increasing since 1949, it lagged behind compared with the world level.
1949年以来中国奶类总产量及年人均占有量都在快速增长，但与世界平均水平还有很大差距。
Although milk total yield and average consumption per capita in China have been increasing since 1949, it lagged behind compared with the world level.
1949年以来中国奶类总产量及年人均占有量都在快速增长，但与世界平均水平还有很大差距。
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