Soil Series Atlas

Casa Grande soil series

Fine-loamy, mixed, superactive, hyperthermic Typic Natrargids

050100150cm1 ft2 ft3 ft4 ftAnTopsoil · sodium0–3 cm · 0–1 inBAnSubsoil grading from topsoil · sodium3–13 cm · 1–5 inBtknz1Subsoil · clay build-up, lime (carbonate)build-up, salts, sodium13–20 cm · 5–8 inBtknz2Subsoil · clay build-up, lime (carbonate)build-up, salts, sodium20–28 cm · 8–11 inBtknz3Subsoil · clay build-up, lime (carbonate)build-up, salts, sodium28–46 cm · 11–18 inBtknz4Subsoil · clay build-up, lime (carbonate)build-up, salts, sodium46–81 cm · 18–32 inBtknz5Subsoil · clay build-up, lime (carbonate)build-up, salts, sodium81–99 cm · 32–39 in2BCknz1Subsoil grading to parent material · lime(carbonate) build-up, salts, sodium,different parent material99–117 cm · 39–46 in2BCknz2Subsoil grading to parent material · lime(carbonate) build-up, salts, sodium,different parent material117–152 cm · 46–60 in050100150cmAnTopsoil · sodium0–3 cm · 0–1 inBAnSubsoil grading fromtopsoil · sodium3–13 cm · 1–5 inBtknz1Subsoil · claybuild-up, lime(carbonate) build-up,salts, sodium13–20 cm · 5–8 inBtknz2Subsoil · claybuild-up, lime(carbonate) build-up,salts, sodium20–28 cm · 8–11 inBtknz3Subsoil · claybuild-up, lime(carbonate) build-up,salts, sodium28–46 cm · 11–18 inBtknz4Subsoil · claybuild-up, lime(carbonate) build-up,salts, sodium46–81 cm · 18–32 inBtknz5Subsoil · claybuild-up, lime(carbonate) build-up,salts, sodium81–99 cm · 32–39 in2BCknz1Subsoil grading toparent material · lime(carbonate) build-up,salts, sodium,different parentmaterial99–117 cm · 39–46 in2BCknz2Subsoil grading toparent material · lime(carbonate) build-up,salts, sodium,different parentmaterial117–152 cm · 46–60 in
Typical pedon, to scale: 152 cm (60 in), 9 horizons.

Aridisols — soils of dry climates

Nationally Casa Grande is a small series: 329,087 acres, 991st of 24,791 by area. It is the only series in the atlas that belongs to the great group Natrargids. Every mapped acre is in Arizona. No other established series shares its family class. It is the state soil of Arizona.

Depth
Very deep
Drainage
Well drained
Water movement
Very slow

Compare with another seriesSimilar series in the finder

Where Casa Grande is mapped

329,087 acres in 8 soil survey areas, from current SSURGO data.

AlabamaArizona: 329,087 acresColoradoFloridaGeorgiaIndianaKansasMaineMassachusettsMinnesotaNew JerseyNorth CarolinaNorth DakotaOklahomaPennsylvaniaSouth DakotaTexasWyomingConnecticutMissouriWest VirginiaIllinoisNew MexicoArkansasCaliforniaDelawareDistrict of ColumbiaIowaKentuckyMarylandMichiganMississippiMontanaNew HampshireNew YorkOhioOregonTennesseeUtahVirginiaWashingtonWisconsinNebraskaSouth CarolinaIdahoNevadaVermontLouisianaRhode Island

Share of all Casa Grande acres

  1. Arizona100%
  • Rank in the state · share of its mapped soil
  • Arizona 19th of 865 · 0.72%

In the field

Drainage

Well drained

Drains fastStays wet

Soil depth

Very deep

ShallowDeep

Permeability

Very slow

SlowFast

5 other atlas series have very slow permeability, none of them Aridisols.

Parent material
Alluvium
Landform
Alluvial fans, terraces, valleys/basins
Type location
Arizona

How it is classified

  1. OrderAridisols
  2. SuborderArgids
  3. Great groupNatrargids
  4. SubgroupTypic Natrargids
  5. FamilyFine-loamy, mixed, superactive, hyperthermic Typic Natrargidsfine-loamy particle-size classmixed mineralogy classsuperactive cation-exchange activity classhyperthermic soil temperature regime

Against other Aridisols

Casa Grande makes up 0.21% of all mapped Aridisols — the 91st largest of 2,777 series in the order.

Solum thickness (topsoil + subsoil)

152 cm over a median of 104 cm

Depth to the subsoil

3 cm under a median of 10 cm

Its relatives

Other Aridisols in this atlas

  1. Casa Grande152 cm · Typic Natrargids
  2. Reagan127 cm · Ustic Haplocalcids
  3. Penistaja178 cm · Ustic Haplargids
  4. Forkwood152 cm · Ustic Haplargids
  5. Orovada155 cm · Durinodic Xeric Haplocambids
  6. Mivida152 cm · Ustic Haplocalcids

Horizon by horizon

HorizonLayerDepthThickness
AnTopsoil: sodium0–3 cm0–1 in3 cm
BAnSubsoil grading from topsoil: sodium3–13 cm1–5 in10 cm
Btknz1Subsoil: clay build-up, lime (carbonate) build-up, salts, sodium13–20 cm5–8 in7 cm
Btknz2Subsoil: clay build-up, lime (carbonate) build-up, salts, sodium20–28 cm8–11 in8 cm
Btknz3Subsoil: clay build-up, lime (carbonate) build-up, salts, sodium28–46 cm11–18 in18 cm
Btknz4Subsoil: clay build-up, lime (carbonate) build-up, salts, sodium46–81 cm18–32 in35 cm
Btknz5Subsoil: clay build-up, lime (carbonate) build-up, salts, sodium81–99 cm32–39 in18 cm
2BCknz1Subsoil grading to parent material: lime (carbonate) build-up, salts, sodium, different parent material99–117 cm39–46 in18 cm
2BCknz2Subsoil grading to parent material: lime (carbonate) build-up, salts, sodium, different parent material117–152 cm46–60 in35 cm

Sources: USDA–NRCS Official Series Description (revised 2011-12), Soil Classification database and SSURGO. Ranks computed by Soil Series Atlas. Method · Guides