条件筛选
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Some people say that fallowing is due to our country's overproduction. That is not wrong, but it is still not quite accurate.
In 2017, the area of fallow land in our country was 2 million mu, and the area of crop rotation was 10 million mu, still far from the target of 50 million mu. Crop rotation and fallowing have two meanings: crop rotation is, on the basis of the previous crop, switching to other cultivated crops...