soil {geoR} | R Documentation |
Soil chemistry properties data set
Description
Several soil chemistry properties measured on a 10x25 grid of points.
Usage
data(soil)
Format
A data frame with 250 observations on the following 22 variables.
- Linha
- x-coordinate
- Coluna
- y-coordinate
- Cota
- elevation
- AGrossa
- a numeric vector
- Silte
- a numeric vector
- Argila
- a numeric vector
- pHAgua
- a numeric vector
- pHKCl
- a numeric vector
- Ca
- a numeric vector, calcium content
- Mg
- a numeric vector, magnesium content
- K
- a numeric vector, potassio content
- Al
- a numeric vector, aluminium content
- H
- a numeric vector, hidrogen content
- C
- a numeric vector, carbon content
- N
- a numeric vector, nitrogenm content
- CTC
- a numeric vector, catium exchange capability
- S
- a numeric vector
- V
- a numeric vector
- M
- a numeric vector
- NC
- a numeric vector
- CEC
- a numeric vector
- CN
- a numeric vector
Source
Bassoi and Moraes
References
Bassoi thesis...
Examples
ctc <- as.geodata(soil, data.col=16)
plot(ctc)
[Package
geoR version 1.6-17
Index]