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Wheat yields

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Keywords:
wheat, yield, density
Categories:
generalized linear models;
biology
Description:
The data give information about the mean number of seeds per plant and per square metre when wheat grown at certain densities in 0.25 m2 plots.

There are six observations on five variables. (Density is the only explanatory variable.)

Variables:
SeedsPerMetre
Density The density of planting in plants per square metre.
Height The height of shoots in centimetres
Leaves The leaf number (number of leaves)
SeedsPerPlant The seeds per plant at harvest
SeedsPerPlant The seeds per square metre at harvest
Data Quality:
There are no missing values.
Source:
Ramakrishnan, P. S. and Kumar, S. (1971). `Productivity and Plasticity of Wheat and Cynodon dactylon (L.) Pers. in Pure and Mixed Strands' in Journal of Applied Ecology, 8(1), 85-98.
Notes:
The data come from Tables 1 and 2 in Ramakrishnan and Kumar.
References: