Analysis: "保护黑土地 大国粮仓更稳固"
Source Comparison
| Source | Articles | Total Mentions | Title Mentions | Density | Amplification * | Title Amp * |
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Provincial Map
Frequency Timeline
Keyword mentions over time. Default aggregated by week. Select sources to compare against the People's Daily baseline.
Count shows the total number of articles containing this keyword per source. Density shows keyword frequency as a proportion — articles containing this keyword divided by total articles published by that source in the same period. This controls for differences in publication volume: a source publishing 50 keyword mentions out of 500 total articles (10%) is less saturated than one publishing 20 out of 100 (20%), even though its absolute count is higher.
Source Analysis
Sorted by amplification ratio. Gold border indicates autonomous regions. Amplification measures keyword frequency relative to People's Daily baseline. *Based on Dec 2024 onwards due to People's Daily data availability.
Day of Week Pattern
Average daily mentions by day of week for each source. Strong weekday patterns suggest editorial scheduling. Weekend drops may indicate reduced publication.
Articles with Keyword in Headline
| Date | Source | Title |
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Other Articles Mentioning Keyword
Articles where the keyword appears in body text but not in the headline.
| Date | Source | Title |
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