Dataset: Fisher 1921 Broadbalk wheat grain yields 1852-1918

Citation:  Rothamsted Research (2018). Fisher 1921 Broadbalk wheat grain yields 1852-1918 Electronic Rothamsted Archive, Rothamsted Research 10.23637/rbk1-data-fisher-1921-01
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This dataset consists of annual wheat yields from selected plots of the Broadbalk Wheat Experiment, 1852-1918, as used by R.A. Fisher in his 1921 paper 'Studies in crop variation'.


Data are presented as annual dressed wheat grain yields, in bushels/acre, from the Broadbalk Wheat Experiment, Rothamsted Research, Harpenden, Herts, AL5 2JQ, UK. Data is given for 13 plots (2b, 3&4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 17 and 18), from 1852-1918 inclusive.

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Creative Commons License This dataset is available under a Creative Commons Attribution Licence (4.0).

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YOU MUST CITE AS: Rothamsted Research (2018). Dataset: Fisher 1921 Broadbalk wheat grain yields 1852-1918 Electronic Rothamsted Archive, Rothamsted Research

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Table Of Contents

Data from plots 2b, 3&4, 5, 10, 11, 12, 13, 14, 17 and 18 were transcribed from Fisher's original hand written datasheets. These are kept in the Rothamsted Research Library Archive. The original datasheets for plots 6-8 could not be found in the Archive, so the annual data have been re-constructed, based on yield data in the e-RA Database, dataset BKYIELD. See Supporting Information for more details of how this was done. Verification includes checking all data entry, checking that the mean values agree with Fisher's mean values in Table 1 of the 1921 paper and re-constructing known data from plots 5 and 11 to check which sub-plots were used by Fisher. There are some minor differences, see Supporting Information for more details. The raw data used to derive the yields for plots 6-8 is available, after registering, from the e-RA database. Please contact the e-RA Curators for an access password and further details.

  • The dataset Fisher 1921 Broadbalk wheat grain yields 1852-1918 is a published dataset from the e-RA Database. e-RA is part of the Rothamsted Long-Term Experiments - National Bioscience Research Infrastructure (RLTE-NBRI), which also covers maintenance of the Long-Term Experiments, the Rothamsted Sample Archive and Rothamsted's environmental monitoring activities including the weather stations and its role in the UK Environmental Change Network
  • The RLTE-NBRI is funded by UK Research and Innovation - Biotechnology and Biological Sciences Research Council (UKRI-BBSRC) under award BBS/E/RH/23NB0007 (2023-2028). The RLTE-NBRI is also supported by the Lawes Agricultural Trust. e-RA has been part of a National Capability since 2012, previous awards from the BBSRC were Grants BBS/E/C/00005189 (2012-2017) and BBS/E/C/000J0300 (2017-2022)
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For further information and assistance, please contact the e-RA curators, Sarah Perryman and Margaret Glendining using the e-RA email address: