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]