Crider soil series
Fine-silty, mixed, active, mesic Typic Paleudalfs
Alfisols — moderately leached soils with a clay-enriched subsoil
Crider is mapped on 993,683 acres in 6 states, 178th nationally by area. It is the only series in the atlas that belongs to the great group Paleudalfs. Only one atlas description goes deeper than its 254 cm. Its solum is 127 cm thicker than the median for Alfisols. It is the state soil of Kentucky.
- Depth
- Very deep
- Drainage
- Well drained
- Water movement
- Moderate
Where Crider is mapped
993,683 acres in 91 soil survey areas, from current SSURGO data.
In the field
Drainage
Well drained
Soil depth
Very deep
Permeability
Moderate
- Parent material
- Loess, residuum, limestone
- Landform
- Uplands
- Type location
- Kentucky
How it is classified
- OrderAlfisols
- SuborderUdalfs
- Great groupPaleudalfs
- SubgroupTypic Paleudalfs
- FamilyFine-silty, mixed, active, mesic Typic Paleudalfsfine-silty particle-size classmixed mineralogy classactive cation-exchange activity classmesic soil temperature regime
Against other Alfisols
Crider makes up 0.36% of all mapped Alfisols — the 26th largest of 4,001 series in the order.
Solum thickness (topsoil + subsoil)
254 cm over a median of 127 cm
Depth described
254 cm over a median of 156 cm
Its relatives
Horizon by horizon
| Horizon | Layer | Depth | Thickness |
|---|---|---|---|
| Ap | Topsoil: plowed | 0–20 cm0–8 in | 20 cm |
| Bt1 | Subsoil: clay build-up | 20–30 cm8–12 in | 10 cm |
| Bt2 | Subsoil: clay build-up | 30–61 cm12–24 in | 31 cm |
| Bt3 | Subsoil: clay build-up | 61–97 cm24–38 in | 36 cm |
| 2Bt4 | Subsoil: clay build-up, different parent material | 97–127 cm38–50 in | 30 cm |
| 2Bt5 | Subsoil: clay build-up, different parent material | 127–254 cm50–100 in | 127 cm |
| R | Hard bedrock | 254– cm100– in | — |
Sources: USDA–NRCS Official Series Description (revised 2011-01), Soil Classification database and SSURGO. Ranks computed by Soil Series Atlas. Method · Guides