Results Analysis of time characteristics of grain production in China Time series changes in total grain production The overall grain production (2000–2020) showed a trend of first decreasing and then increasing.
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Evolution of the spatiotemporal pattern of China's grain production in the past 20 years and its driving mechanism.
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The sentences
The results as follows, 1 During the research period, China’s total grain production showed a decrease followed by an increase, and the yield per unit area of grain showed an increasing trend.