Agriculture Reference
In-Depth Information
Table 16.4
Series Matrix Table for the Glenrosa Form* in “Soil Classification: A Binomial System
for South Africa”
Clay content of A
horizon (%)
Sand grade of A
horizon
B horizon and directly
below it non-calcareous
B horizon or directly below
it calcareous
0 - 6
Fine
Martindale 10
Malgas 20
Medium
Oribi 11
Majeng 21
Coarse
Paardeberg 12
Knapdaar 22
6 - 15
Fine
Kanonkop 13
Southfield 23
Medium
Platt 14
Dunvegan 24
Coarse
Glenrosa 15
Lomondo 25
15 - 35
Fine
Williamson 16
Lekfontein 26
Medium
Trevanian 17
Dothole 27
Coarse
Robmore 18
Achterdam 28
Above 35
Undifferentiated
Saitfaiths 19
Ponda 29
Diagnostic horizon sequence for the Glenrosa form: Orthic A/Lithocutanic B.
Adapted from MacVicar et al.,1977.
Table 16.5
Family Matrix for the Glenrosa form in “Soil Classification: A Taxonomic System for
South Africa”
1000 A horizon not bleached
1100 B1 horizon not hard
1110 No signs of wetness in B1 horizon
Noncalcareous in B horizon
1111
DUMISA
Calcareous B horizon
1112
KEURKLOOF
1120 Signs of wetness in B1 horizon
Noncalcareous in B horizon
1121
KILSPINDIE
Calcareous in B horizon
1122
KAMMIEVLEI
1200 B1 horizon hard
1210 No signs of wetness in B1 horizon
Noncalcareous B horizon
1211
TSENDE
Calcareous B horizon
1212
BERGSIG
1220 Signs of wetness in B1 horizon
Noncalcareous B horizon
1221
MARINGO
Calcareous B horizon
1222
WHEATLAND
2000 A horizon bleached
2100 B1 horizon not hard
2110 No signs of wetness in B1 horizon
Noncalcareous B horizon
2111
OVERBERG
Calcareous B horizon
2112
INVERDOORN
2120 Signs of wetness in B1 horizon
Noncalcareous B horizon
2121
BOTRIVIER
Calcareous B horizon
2122
TEVIOT
2200 B1 horizon hard
2210 No signs of wetness in B1 horizon
Noncalcareous B horizon
2211
BISHO
Calcareous B horizon
2212
KAKAMAS
2220 Signs of wetness in B1 horizon
Noncalcareous in B horizon
2221
SOLITUDE
Calcareous in B horizon
2222
MERWESPONT
Adapted from Soil Classification Working Group, 1991.
