Dataset: Woburn long-term liming experiment exchangeable cations re-analysed
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下载链接：
https://www.era.rothamsted.ac.uk/dataset/wcs10/01-WLTLCATION
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资源简介：
The experiment tests the effects of different amounts of lime (and thus soil pH), P and K on a sequence of arable crops, on a sandy soil at Woburn Experimental Farm, from 1962-1996. Archived topsoil samples from six years between 1964 and 1989 were re-analysed in 2019 for a range of soil exchangeable cations, by extraction with ammonium nitrate (NH<sub>4</sub>NO<sub>3</sub>). Topsoil was analysed from all plots and sub-plots (where present), except sub-plots given Mg in 1974-1978.
There is a parallel experiment at Rothamsted Experimental Farm. This experiment was discontinued in 1997.
提供机构：
Electronic Rothamsted Archive, Rothamsted Research
创建时间：
2023-03-02
