Dataset: Woburn Continuous Wheat Experiment yields 1927-1942

Citation:  Margaret Glendining, June Kimori, Daniel Philcox (2022). Woburn Continuous Wheat Experiment yields 1927-1942 Electronic Rothamsted Archive, Rothamsted Research 10.23637/wxw6-yield2742-01
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Example wheat yields derived from the data. Fallow (no crop) 1927, 1928, 1934 and 1935.

Example wheat yields derived from the data. Fallow (no crop) 1927, 1928, 1934 and 1935.

Summary

Annual wheat grain and straw yields for all plots and sub-plots of the Woburn Continuous Wheat Experiment, 1927-1942, with treatment details. Also grain hectolitre weights, a measure of grain quality. This experiment is a companion to the Woburn Continuous Barley Experiment.

Methods

The Woburn Continuous Wheat Experiment started in autumn 1876, with a range of fertilizer and manure treatments applied until 1926. No fertilizer was applied 1927-1940, and during this period the experiment was used to look at the residual effects of fertilizer applied from 1876-1926. In 1941 and 1942, basal N fertilizer was applied at the same rate to all plots. The whole experiment was fallowed (no crop sown) to control weeds in 1927, 1928, 1934 and 1935.

Technical Information

Harvested wheat grain and straw yields at 85% dry matter. Fallow (no crop) yields shown as blank cell. If a crop was sown but it failed, yield shown as 0.0. Straw yield does not include the stubble or all the chaff. Hectolitre weight, kg of grain per 100 litres, calculated from bushel weights, assuming 1 bushel is 36.369 litres. Winter wheat sown every year, except fallow years (no crop) and 1930, when the original winter wheat crop was so badly damaged by birds it had to be re-sown with spring wheat.

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Contributors

  • Margaret Glendining: Data curator
  • Richard Ostler: Project leader
  • Nathalie Castells: Data manager
  • Andy Gregory: Project manager
  • Daniel Philcox: Researcher
  • June Kimori: Researcher
  • Simon Willcock: Researcher

Dataset Access and Conditions

Rights Holder

Rothamsted Research

License

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

Cite this Dataset

YOU MUST CITE AS: Margaret Glendining, June Kimori, Daniel Philcox (2022). Dataset: Woburn Continuous Wheat Experiment yields 1927-1942 Electronic Rothamsted Archive, Rothamsted Research https://doi.org/10.23637/wxw6-yield2742-01

Please review our How to Credit Datasets guidance for more information.

Conditions of Use

Rothamsted relies on the integrity of users to ensure that datasets are used appropriately and Rothamsted Research receives suitable acknowledgment as being the originators of these data. Please review the Conditions of Use before downloading.

Individual plot yields were taken from Rothamsted Experimental Station Annual Reports, 1927-1938 and Yield Books 1939-1942. Agronomic information (sow dates, cultivar, etc) taken from Annual Reports, Yield Books, plans and descriptions in the Rothamsted Library archives. The frictionless dataset of combined yields and treatment data was compiled by Daniel Philcox and checked by June Kimori and Margaret Glendining, July 2022.

In accordance with the Joint Code of Practice for Research at Rothamsted, data processing in e-RA follow rigorous standard operating procedures to ensure the quality and correctness of data collected in the field through to depositing in the e-RA database. To ensure quality control during data inputting, the data sets were typed on two separate occasions (double data entry). During the second typing (verification) the data values were compared with those typed on the earlier occasion, and any discrepancies were resolved before verification continued. This procedure avoided visual checking of data, which can be very inaccurate.

  • The dataset Woburn Continuous Wheat Experiment yields 1927-1942 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: era@rothamsted.ac.uk