Top institutions in agricultural sciences based on impact

Data provided by Thomson Reuters from its Essential Science Indicators database, 1 January 1998-31 August 2008

January 1, 2009

Institution Papers CitationsCitations per paper
1 Tufts University, US392 7,089 18.08
2 Institute of Food Research, UK471 6,912 14.68
3 University of Helsinki, Finland779 9,905 12.72
4 Cornell University, US1,557 17,096 10.98
5 University of Wisconsin, US 1,428 14,326 10.03
6 University of California, Davis, US1,954 19,454 9.96
7 Royal Veterinary and Agricultural University, Denmark1,013 9,842 9.72
8 University of Reading, UK846 8,211 9.71
9 National Institute for Agricultural Research (INRA), France3,230 31,2159.66
10 Oregon State University, US725 6,985 9.63
11 Danish Inst Agricultural Sciences, Denmark603 5,794 9.61
12 Wageningen University, The Netherlands2,443 23,3519.56
13 University College Cork, Ireland794 7,580 9.55
14 Rutgers State University, US585 5,440 9.30
15 University of Massachusetts, US634 5,740 9.05
16 Penn State University, US984 8,7 8.87
17 University of Nebraska, US1,081 9,576 8.86
18 Michigan State University, US952 8,397 8.82
19 University of Illinois, US1,287 11,328 8.80
20 Food and Drug Administration, US818 7,155 8.75
The data above were extracted from the Essential Science Indicators database of Thomson Reuters. This database, currently covering the period January 1998 through August 2008, surveys only journal articles (original research reports and review articles) indexed by Thomson Reuters. Articles are assigned to a category based on the journals in which they were published and Thomson Reuters’ journal-to-category field-definition scheme. Both articles tabulated and citation counts to those articles are for the period indicated. Naturally, institutions publishing large numbers of papers have a greater likelihood of collecting more citations than those publishing fewer papers. This ranking is by citations per paper (impact), among those institutions that have collected 5,000 or more citations in agricultural sciences. For papers with multiple institutional addresses, each institution receives full, not fractional, citation credit. Essential Science Indicators lists institutions ranked in the top 1 per cent for a field over a given period, based on total citations. For the current version, 394 institutions are listed in the field of agricultural sciences, meaning that a total of 39,400 institutions were reviewed to obtain these results. Of the 394, 42 institutions collected 5,000 or more citations. The ranking by citations per paper (impact) seeks to reveal “heavy-hitters” based on per-paper influence, not mere output. For more information on Thomson Reuters’ Essential Science Indicators, see

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