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The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as indexed by Clarivate's Web of Science.
Rice production by country (2019) This is a list of countries by rice production in 2022 based on the Food and Agriculture Organization Corporate Statistical Database. The total world rice production for 2022 was 776,461,457 [1] metric tonnes. In 1961, the total world production was 216 million tonnes.
The countries with the highest share of articles published in scientific journals according to the Nature Index 2024, which is valid for the calendar year 2023. [2] The "count" is the total number of articles to which nationals of the country have contributed.
While these journals still did not receive an impact factor until the next year, they did contribute citations to the calculation of other journals' impact factors. [ 4 ] [ 5 ] In July 2022, Clarivate announced that journals in the ESCI obtain an impact factor effective from JCR Year 2022 first released in June 2023.
As of 2023, Annual Review of Food Science and Technology is being published as open access, under the Subscribe to Open model. [1] As of 2024, Journal Citation Reports gives the journal a 2023 impact factor of 10.6, ranking it fifth of 173 journal titles in the category "Food Science & Technology". [2]
The Nature Index is a database that tracks institutions and countries/territories and their scientific output since its introduction in November 2014. [1] Originally released with 64 natural-science journals, the Nature Index expanded to 82 natural-science journals in 2018, then added 64 health-science journals in 2023.
The following is a list of countries by paddy rice exports. Data is for 2022 as reported in Food and Agriculture Organization Corporate Statistical Database. [1] Rice is one of the biggest crops in the international grain trade, alongside other crops like wheat, maize (corn) and soybean. #
The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as indexed by Clarivate's Web of Science.