This dataset, earthworm_crop_soils, is a data frame containing observations on earthworm populations in cultivated soils. It includes measurements of earthworm density and biomass together with information on crop type, year, and soil type.
Usage
data(earthworm_crop_soils)Format
A data frame with 12 observations and 5 variables:
- Density
Integer vector indicating earthworm population density
- Biomass
Numeric vector indicating earthworm biomass
- Crop
Factor indicating the crop type
- Year
Integer vector indicating the year of observation
- Soil
Factor indicating the soil type