Several soil chemistry properties measured on a regular grid with 10x25 points
spaced by 5 meters.
Usage
data(soil250)
Arguments
source
Bassoi thesis
Details
Uniformity trial with 250 undisturbed soil samples collected at 25cm
soil depth of spacing of 5 meters, resulting on a regular grid of
$25 \times 10$ points.
See also the data-set wrc with other variables colected at the same points.