Description Usage Format Source Examples
Data set presented by Leao et al. (2005), for determining the Least Limiting Water Range.
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A data frame with 64 observations on the following 4 variables:
BD
a numeric vector containing soil bulk density values, in Mg/m3.
W
a numeric vector containing volumetric water content values, in m3/m3.
PR
a numeric vector containing penetration resistance values, in MPa.
h
a numeric vector containing matric head values, in cm.
Leao et al. (2005). An Algorithm for Calculating the Least Limiting Water Range of Soils. Agronomy Journal, 97:1210-1215.
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Loading required package: rpanel
Loading required package: tcltk
Package `rpanel', version 1.1-4: type help(rpanel) for summary information
Loading required package: MASS
Loading required package: tkrplot
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soilphysics version 3.1
Warning messages:
1: no DISPLAY variable so Tk is not available
2: loading Rplot failed
BD W PR h
Min. :1.270 Min. :0.1900 Min. :0.200 Min. : 20.0
1st Qu.:1.417 1st Qu.:0.3100 1st Qu.:0.850 1st Qu.: 72.5
Median :1.470 Median :0.3600 Median :1.335 Median : 215.0
Mean :1.467 Mean :0.3452 Mean :1.624 Mean : 2697.5
3rd Qu.:1.530 3rd Qu.:0.4000 3rd Qu.:2.132 3rd Qu.: 2000.0
Max. :1.650 Max. :0.4500 Max. :4.640 Max. :15000.0
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