Soil Series Atlas

Fayette soil series

Fine-silty, mixed, superactive, mesic Typic Hapludalfs

050100150cm1 ft2 ft3 ft4 ft5 ft6 ftATopsoil0–8 cm · 0–3 inE1Leached layer8–13 cm · 3–5 inE2Leached layer13–28 cm · 5–11 inBESubsoil with leached traits28–36 cm · 11–14 inBt1Subsoil · clay build-up36–66 cm · 14–26 inBt2Subsoil · clay build-up66–86 cm · 26–34 inBCSubsoil grading to parent material86–119 cm · 34–47 inCParent material119–185 cm · 47–73 in050100150cmATopsoil0–8 cm · 0–3 inE1Leached layer8–13 cm · 3–5 inE2Leached layer13–28 cm · 5–11 inBESubsoil with leachedtraits28–36 cm · 11–14 inBt1Subsoil · clay build-up36–66 cm · 14–26 inBt2Subsoil · clay build-up66–86 cm · 26–34 inBCSubsoil grading toparent material86–119 cm · 34–47 inCParent material119–185 cm · 47–73 in
Typical pedon, to scale: 185 cm (73 in), 8 horizons.

Alfisols — moderately leached soils with a clay-enriched subsoil

Fayette is mapped on 2.25 million acres in 4 states, 28th nationally by area. No series covers more of Iowa: it accounts for 4.2% of the state’s mapped soil. It is the largest of the 34 established series in its family.

Depth
Very deep
Drainage
Well drained
Water movement
Moderately high

Compare with another seriesSimilar series in the finder

Where Fayette is mapped

2,246,165 acres in 88 soil survey areas, from current SSURGO data.

AlabamaArizonaColoradoFloridaGeorgiaIndianaKansasMaineMassachusettsMinnesota: 273,800 acresNew JerseyNorth CarolinaNorth DakotaOklahomaPennsylvaniaSouth DakotaTexasWyomingConnecticutMissouriWest VirginiaIllinois: 518,849 acresNew MexicoArkansasCaliforniaDelawareDistrict of ColumbiaIowa: 1,261,689 acresKentuckyMarylandMichiganMississippiMontanaNew HampshireNew YorkOhioOregonTennesseeUtahVirginiaWashingtonWisconsin: 191,828 acresNebraskaSouth CarolinaIdahoNevadaVermontLouisianaRhode Island

Share of all Fayette acres

  1. Iowa56%
  2. Illinois23%
  3. Minnesota12%
  4. Wisconsin8%
  • Rank in the state · share of its mapped soil
  • Iowa 1st of 541 · 4.24%
  • Illinois 12th of 582 · 1.62%
  • Minnesota 27th of 1,038 · 0.60%
  • Wisconsin 36th of 782 · 0.59%

In the field

Drainage

Well drained

Drains fastStays wet

Soil depth

Very deep

ShallowDeep

Water movement (Ksat)

Moderately high

SlowFast
Parent material
Loess
Landform
Ridges/interfluves, hills, uplands, terraces
Type location
Iowa

How it is classified

  1. OrderAlfisols
  2. SuborderUdalfs
  3. Great groupHapludalfs
  4. SubgroupTypic Hapludalfs
  5. FamilyFine-silty, mixed, superactive, mesic Typic Hapludalfsfine-silty particle-size classmixed mineralogy classsuperactive cation-exchange activity classmesic soil temperature regime

Against other Alfisols

Fayette makes up 0.81% of all mapped Alfisols — the 4th largest of 4,001 series in the order.

Solum thickness (topsoil + subsoil)

119 cm under a median of 127 cm

Depth to the subsoil

28 cm over a median of 23 cm

Depth described

185 cm over a median of 156 cm

Its relatives

33 other established series share the family “Fine-silty, mixed, superactive, mesic Typic Hapludalfs”

  1. Fayette2.2 M
  2. Menfro1.2 M
  3. Rozetta851 k
  4. Seaton685 k
  5. Palsgrove330 k
  6. Russell316 k
  7. St. Charles271 k
  8. Sylvan237 k
  9. Dubuque211 k

Close relatives, at one scale

  1. Fayette185 cm · Typic Hapludalfs
  2. Menfro203 cm · Typic Hapludalfs
  3. Honeoye183 cm · Glossic Hapludalfs
  4. Miami200 cm · Oxyaquic Hapludalfs

Horizon by horizon

HorizonLayerDepthThickness
ATopsoil0–8 cm0–3 in8 cm
E1Leached layer8–13 cm3–5 in5 cm
E2Leached layer13–28 cm5–11 in15 cm
BESubsoil with leached traits28–36 cm11–14 in8 cm
Bt1Subsoil: clay build-up36–66 cm14–26 in30 cm
Bt2Subsoil: clay build-up66–86 cm26–34 in20 cm
BCSubsoil grading to parent material86–119 cm34–47 in33 cm
CParent material119–185 cm47–73 in66 cm

Sources: USDA–NRCS Official Series Description (revised 2006-09), Soil Classification database and SSURGO. Ranks computed by Soil Series Atlas. Method · Guides