Soil Series Atlas

Sacul soil series

Fine, mixed, active, thermic Aquic Hapludults

050100150200cm1 ft2 ft3 ft4 ft5 ft6 ftATopsoil0–13 cm · 0–5 inELeached layer13–23 cm · 5–9 inBt1Subsoil · clay build-up23–56 cm · 9–22 inBt2Subsoil · clay build-up56–76 cm · 22–30 inBt3Subsoil · clay build-up76–104 cm · 30–41 inBt4Subsoil · clay build-up104–135 cm · 41–53 inBtg1Subsoil · clay build-up, gleyed: grayfrom wetness135–157 cm · 53–62 inBtg2Subsoil · clay build-up, gleyed: grayfrom wetness157–178 cm · 62–70 inBCgSubsoil grading to parent material ·gleyed: gray from wetness178–203 cm · 70–80 in050100150200cmATopsoil0–13 cm · 0–5 inELeached layer13–23 cm · 5–9 inBt1Subsoil · clay build-up23–56 cm · 9–22 inBt2Subsoil · clay build-up56–76 cm · 22–30 inBt3Subsoil · clay build-up76–104 cm · 30–41 inBt4Subsoil · clay build-up104–135 cm · 41–53 inBtg1Subsoil · claybuild-up, gleyed: grayfrom wetness135–157 cm · 53–62 inBtg2Subsoil · claybuild-up, gleyed: grayfrom wetness157–178 cm · 62–70 inBCgSubsoil grading toparent material ·gleyed: gray fromwetness178–203 cm · 70–80 in
Typical pedon, to scale: 203 cm (80 in), 9 horizons.

Ultisols — strongly weathered, leached soils with a clay-enriched subsoil

Sacul is mapped on 2.15 million acres in 4 states, 30th nationally by area. In Louisiana only two series cover more ground. It was first described in Arkansas, which holds 40% of its acres today.

Depth
Very deep
Drainage
Moderately well drained
Water movement
Slow

Compare with another seriesSimilar series in the finder

Where Sacul is mapped

2,152,527 acres in 57 soil survey areas, from current SSURGO data.

Alabama: 5,318 acresArizonaColoradoFloridaGeorgiaIndianaKansasMaineMassachusettsMinnesotaNew JerseyNorth CarolinaNorth DakotaOklahomaPennsylvaniaSouth DakotaTexas: 292,848 acresWyomingConnecticutMissouriWest VirginiaIllinoisNew MexicoArkansas: 863,944 acresCaliforniaDelawareDistrict of ColumbiaIowaKentuckyMarylandMichiganMississippiMontanaNew HampshireNew YorkOhioOregonTennesseeUtahVirginiaWashingtonWisconsinNebraskaSouth CarolinaIdahoNevadaVermontLouisiana: 990,417 acresRhode Island

Share of all Sacul acres

  1. Louisiana46%
  2. Arkansas40%
  3. Texas14%
  4. Alabama0.2%
  • Rank in the state · share of its mapped soil
  • Louisiana 3rd of 324 · 3.76%
  • Arkansas 6th of 359 · 2.74%
  • Texas 128th of 1,565 · 0.19%

In the field

Drainage

Moderately well drained

Drains fastStays wet

Soil depth

Very deep

ShallowDeep

Permeability

Slow

SlowFast

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

Parent material
Marine/coastal plain sediments
Landform
Uplands, coastal plains
Major land resource areas
133A
Type location
Arkansas

How it is classified

  1. OrderUltisols
  2. SuborderUdults
  3. Great groupHapludults
  4. SubgroupAquic Hapludults
  5. FamilyFine, mixed, active, thermic Aquic Hapludultsfine particle-size classmixed mineralogy classactive cation-exchange activity classthermic soil temperature regime

Against other Ultisols

Sacul makes up 1.14% of all mapped Ultisols — the 8th largest of 1,278 series in the order.

Solum thickness (topsoil + subsoil)

203 cm over a median of 142 cm

Depth described

203 cm over a median of 178 cm

Its relatives

3 other established series share the family “Fine, mixed, active, thermic Aquic Hapludults”

  1. Sacul2.2 M
  2. Stapp112 k
  3. Peawick52 k
  4. Vinita16 k

Close relatives, at one scale

  1. Sacul203 cm · Aquic Hapludults
  2. Downer203 cm · Typic Hapludults
  3. Luverne203 cm · Typic Hapludults
  4. Smithdale211 cm · Typic Hapludults

Horizon by horizon

HorizonLayerDepthThickness
ATopsoil0–13 cm0–5 in13 cm
ELeached layer13–23 cm5–9 in10 cm
Bt1Subsoil: clay build-up23–56 cm9–22 in33 cm
Bt2Subsoil: clay build-up56–76 cm22–30 in20 cm
Bt3Subsoil: clay build-up76–104 cm30–41 in28 cm
Bt4Subsoil: clay build-up104–135 cm41–53 in31 cm
Btg1Subsoil: clay build-up, gleyed: gray from wetness135–157 cm53–62 in22 cm
Btg2Subsoil: clay build-up, gleyed: gray from wetness157–178 cm62–70 in21 cm
BCgSubsoil grading to parent material: gleyed: gray from wetness178–203 cm70–80 in25 cm

Sources: USDA–NRCS Official Series Description (revised 2015-09), Soil Classification database and SSURGO. Ranks computed by Soil Series Atlas. Method · Guides