Example pedons for the suborders, groups and subgroups of the Chinese Soil Taxonomy (2001)

Small, plausible profiles written for the tests and examples, one per suborder of the Chinese Soil Taxonomy (2001), with FAO designations, the regimes on the site and the data the key reads; each keys to its own suborder, not provisionally (with the group it reaches). Since v0.9.374 a group code ("A1.1" ... "N4.7", and soilKey's "[A1.4]" and "[A2.5]") gives one profile per group, 140 in all, each keying to its own group, not provisionally; since v0.9.375 a subgroup code ("A1.1.1" ... "N4.7.6", and "[A1.3.x]") gives one profile per subgroup (orders A to G since v0.9.375, H to N since v0.9.376), 588 in all, each keying to its own subgroup, not provisionally. They are not real profiles. With near_miss = TRUE, fourteen of them (one per order) change one property so that the profile misses its class and lands in another: A1 without permafrost (Orthic Histosols), B2 with a cumulic layer of 35 cm (cumulic evidence only: Orthic Primosols), C1 with 40 g/kg carbon in the Bhs (Orthic Spodosols), D1 frigid (Udic Andosols), E1 with a CEC of 18 cmol/kg clay (a LAC-ferric horizon: Udic Ferrosols), F1 with rock at 45 cm (Aquic Cambosols), G1 without the crust and pavement (Udic Cambosols, with the note on the residual's name), H1 with an ESP of 22 (alkalic evidence: Ustic Argosols), I1 without permafrost (Orthic Gleyosols), J2 with its humus near the surface (no isohumic property: Ustic Cambosols), K1 with a CEC of 26 cmol/kg clay (Ustic Argosols), L1 gelic (Udic Argosols), M3 aridic and not irrigated (Udic Cambosols, with the note) and N2 with 2 g/kg carbon (Orthic Primosols).

Usage

make_cst2001_example(suborder = .CST_EXAMPLE_CODES, near_miss = FALSE)

Arguments

suborder

The code of the suborder, as printed ("A1" ... "N4"), of a group ("A1.1" ... "N4.7") or of a subgroup ("A1.1.1" ... "N4.7.6").

near_miss

Give the near miss of the suborder (one per order: "A1", "B2", "C1", "D1", "E1", "F1", "G1", "H1", "I1", "J2", "K1", "L1", "M3", "N2").

Value

A PedonRecord.

See also

classify_cst2001.

Examples

p <- make_cst2001_example("E1")
p$horizons[, c("designation", "top_cm", "bottom_cm", "clay_pct", "cec_cmol")]
#>    designation top_cm bottom_cm clay_pct cec_cmol
#>         <char>  <num>     <num>    <num>    <num>
#> 1:           A      0        15       45        9
#> 2:         Bo1     15        80       55        6
#> 3:         Bo2     80       200       55        6
classify_cst2001(make_cst2001_example("E1", near_miss = TRUE), on_missing = "silent")$name
#> [1] "Typic Argi-Udic Ferrosols"
classify_cst2001(make_cst2001_example("K3.2"), on_missing = "silent")$levels
#>       level   code                            name
#> 1    orders      K                       Ferrosols
#> 2 suborders     K3                  Udic Ferrosols
#> 3    groups   K3.2       Hiweatheri-Udic Ferrosols
#> 4 subgroups K3.2.3 Argic Hiweatheri-Udic Ferrosols
#>                                             name_pt book_provisional
#> 1                           Ferrossolos (Ferrosols)            FALSE
#> 2                                Ferrossolos údicos            FALSE
#> 3           Ferrossolos údicos muito intemperizados            FALSE
#> 4 Ferrossolos údicos muito intemperizados argílicos            FALSE
classify_cst2001(make_cst2001_example("E1.3.4"), on_missing = "silent")$name
#> [1] "Xanthic Hapli-Udic Ferralosols"
classify_cst2001(make_cst2001_example("L4.2.1"), on_missing = "silent")$name
#> [1] "Humi-brown Carbonati-Udic Argosols"