aqp (version 1.25)

SoilTextureLevels: Generate a vector of USDA soil texture codes or class names, sorted according to approximate particle size

Description

Generate a vector of USDA soil texture codes or class names, sorted according to approximate particle size

Usage

SoilTextureLevels(which = "codes")

Arguments

which

'codes' (texture codes) or 'names' (texture class names)

Value

an ordered factor

References

Field Book for Describing and Sampling Soils, version 3.0

Examples

# NOT RUN {
# class codes
SoilTextureLevels()

# class names
SoilTextureLevels(which = 'names')
 
# }