68 lettuce plants were treated with the herbicide tetraneurin-A in different concentrations. After 5 days each plant was harvested and the root length in cm was registered.
A data frame with 68 observations on the following 2 variables.
concentration of herbicide (numeric vector)
root length in cm (numeric vector)
Belz, R., Cedergreen, N., and Sørensen, H. (2008). Hormesis in mixtures - Can it be predicted. Science of the Total Environment, 404:77-87.
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