Although the speed of total land consolidation is not especially rapid, most of the counties showed a trend of increasing homogeneity and concentration over the past three decades.
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Cropland heterogeneity changes on the Northeast China Plain in the last three decades (1980s-2010s).
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The sentences
The results suggest a strong trend of cropland area gross gain among the past 30 years and the cropland area showed little heterogeneity in most areas.