Dataset: Woburn Continuous Barley Experiment soil data 1876-1932
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https://www.era.rothamsted.ac.uk/dataset/wxb6/01-BSOIL7632
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资源简介：
This dataset contains the soil pH, percentage of total soil carbon (C) nitrogen (N), phosphorus (P) and exchangeable calcium (Ca) in the topsoil (0-23cm) of the Woburn Continuous Barley experiment, 1876 to 1932. Baseline measurements were taken in November 1876 before the start of the experiment. The soil was then sampled from each plot in 1888, 1927 and 1932. Selected plots were also sampled in 1898, 1916 and 1922. The dataset also contains details of the fertilizer, manure and lime treatments, 1876-1926. No fertilizer, manure or lime was applied after 1926.
The soil at Woburn contained little free calcium carbonate, and soil pH was 6.1 in 1876. Consequently, where ammonium sulphate was applied (plots 2, 5 and 8) the soil soon became acidic and yields declined markedly within 20 years. These were the first experiments in the UK where lime was applied to try to correct soil acidity.
Data from Crowther (1936) and Mattingly et al (1975), see Resource Provenance.
提供机构：
Electronic Rothamsted Archive, Rothamsted Research
创建时间：
2022-12-16
