Orovada soil series
Coarse-loamy, mixed, superactive, mesic Durinodic Xeric Haplocambids
Aridisols — soils of dry climates
Nationally Orovada is a small series: 426,923 acres, 706th of 24,791 by area. It is the only series in the atlas that belongs to the great group Haplocambids. It is the largest of the 7 established series in its family. Its biggest share, 84%, is in Nevada, where it ranks 10th of 1,871 series. It is the state soil of Nevada.
- Depth
- Very deep
- Drainage
- Well drained
Where Orovada is mapped
426,923 acres in 20 soil survey areas, from current SSURGO data.
In the field
Drainage
Well drained
Soil depth
Very deep
- Parent material
- Loess, volcanic ash/tephra, alluvium
- Landform
- Alluvial fans
- Major land resource areas
- 24, 25, 28B
- Type location
- Nevada
How it is classified
- OrderAridisols
- SuborderCambids
- Great groupHaplocambids
- SubgroupDurinodic Xeric Haplocambids
- FamilyCoarse-loamy, mixed, superactive, mesic Durinodic Xeric Haplocambidscoarse-loamy particle-size classmixed mineralogy classsuperactive cation-exchange activity classmesic soil temperature regime
Against other Aridisols
Orovada makes up 0.28% of all mapped Aridisols — the 62nd largest of 2,777 series in the order.
Solum thickness (topsoil + subsoil)
155 cm over a median of 104 cm
Depth to the subsoil
5 cm under a median of 10 cm
Its relatives
Horizon by horizon
| Horizon | Layer | Depth | Thickness |
|---|---|---|---|
| A | Topsoil | 0–5 cm0–2 in | 5 cm |
| Bw1 | Subsoil: color or structure change | 5–20 cm2–8 in | 15 cm |
| Bw2 | Subsoil: color or structure change | 20–36 cm8–14 in | 16 cm |
| Bq | Subsoil: silica | 36–66 cm14–26 in | 30 cm |
| Bqk1 | Subsoil: lime (carbonate) build-up, silica | 66–86 cm26–34 in | 20 cm |
| Bqk2 | Subsoil: lime (carbonate) build-up, silica | 86–122 cm34–48 in | 36 cm |
| B'q | Subsoil: silica | 122–155 cm48–61 in | 33 cm |
Sources: USDA–NRCS Official Series Description (revised 2019-09), Soil Classification database and SSURGO. Ranks computed by Soil Series Atlas. Method · Guides