Soil Atlas A — Mineral topsoil horizon
A

Horizon master symbol

Mineral topsoil horizon

Topsoil with humus enrichment and/or depletion of mineral material; e.g. Ah (humic), Ap (ploughed), Ae (acid-bleached), Al (clay-depleted).

KA3 KA4 KA5 KA6

KA3–KA5

88

KA6

56

Symbols in DB

130

Examples: Ah Ap Ae Al

Related suffixes

  • h

    humic, enriched with humus

    e.g. Ah

    KA3 KA4 KA5 KA6
  • p

    ploughed, shaped by regular tillage

    e.g. Ap

    KA3 KA4 KA5 KA6
  • e

    acid-bleached, depleted in iron and humus by podzolization

    e.g. Ae

    KA3 KA4 KA5 KA6
  • l

    lessivated, depleted in clay by clay translocation

    e.g. Al

    KA3 KA4 KA5 KA6

Profiles with this horizon

150
RP_JGU_OOW_02
KA5 · SS
RP_JGU_OOW_01
KA5 · LL
RP_JGU_LBW_02
KA5 · BB
2026KPG05P02
KA6 · BB
2026KPG06P02
KA6
2026KPG02P02
KA6 · GN
2026KPG04P02
KA6 · BB
2026KPG03P02
KA6 · PP
RP_JGU_LBW_01
KA5 · RZ
He-Fda-01 Danzwiesen DOI
KA5
He-KS-04 Frankenhausen DOI
KA5
NS-BER-01 DOI
KA5
NS-SAR-01 DOI
KA5
He-MR-08 Sterzhausen DOI
KA5
He-MR-04 Caldern DOI
KA5
He-MR-02 Caldern DOI
KA5
He-MR-01 Caldern DOI
KA5
He-KS-03 Frankenhausen DOI
KA5
He-KS-01 Frankenhausen DOI
KA5
He-GIS-07 Salzböden DOI
KA5
He-GIS-06 Salzböden DOI
KA5
He-GIS-05 DOI
KA5
He-GIS-03 Schiffenberg DOI
KA5
He-FRA-05 Oppershofen DOI
KA5

The first 24 profiles are shown.