Integrative Levels Classification project ILC2 schedules developing schedules how it works meetings people references
ILC class jo

ILC developing version
Expanded class jo

   ▲  broader class

▽ ⌕         jo       soils; earth; grounds; pedosphere  [soil science; pedology; edaphology]  ← l cells m organisms   ✍
▽ ⌕         jo59                  paedogenetic regime
▽ ⌕         jo59g                      gleization
▽ ⌕         jo59i                      calcification
▽ ⌕         jo59l                      laterization
▽ ⌕         jo59p                      podzolization
▽ ⌕         jo6             structure
▽ ⌕         jo6g                 granular
▽ ⌕         jo6i                 polyhedric
▽ ⌕         jo6l                 lamellar
▽ ⌕         jo75   [m]                organic matter from original organisms
▽ ⌕         jo77   [i7]                 texture; composition
▽ ⌕         jo77n                      sand
▽ ⌕         jo77s                      silt
▽ ⌕         jo77y                      clay
▽ ⌕         jo7C                  soil horizon
▽ ⌕         jo7Cc                      O horizon; organic matter
▽ ⌕         jo7Ch                      P horizon; peat; humus
▽ ⌕         jo7Cj                      A horizon; topsoil
▽ ⌕         jo7Cl                      E horizon; eluvium
▽ ⌕         jo7Cn                      B horizon; subsoil
▽ ⌕         jo7Cp                      C horizon; parent rock
▽ ⌕         jo7Cs                      D horizon
▽ ⌕         jo7Cu                      R horizon; bedrock  ← i rocks
▽ ⌕         jo7Cx                      L horizon; limnic
▽ ⌕         joc            permafrost and stony soils
▽ ⌕         jocc                 cryosols; ice-affected soils; CR
▽ ⌕         jocl                 leptosols; shallow or extremely gravelly soils; LP
▽ ⌕         joe            soils influenced by water
▽ ⌕         joee                 vertisols; alternating wet-dry conditions; rich in swelling clays; VR
▽ ⌕         joef                 fluvisols; floodplains; tidal marshes; FL
▽ ⌕         joen                 solonetz; alkaline soils; SN
▽ ⌕         joes                 solonchaks; salt enrichment upon evaporation; SC
▽ ⌕         joey                 gleysols; groundwater affected soils; GL
▽ ⌕         jof            soils set by Fe/Al chemistry
▽ ⌕         jofb                 andosols; allophanes or Al-humus complexes; AN
▽ ⌕         jofd                 podzols; cheluviation and chilluviation; PZ
▽ ⌕         jofi                 plinthosols; PT; accumulation of Fe under hydromorphic conditions
▽ ⌕         jofn                 nitisols; low-activity clay; P fixation; strongly structured; NT
▽ ⌕         jofr                 ferralsols; dominance of kaolinite and sesquioxides; FR
▽ ⌕         joi            soils with stagnating water
▽ ⌕         joip                 planosols; abrupt textural discontinuity; PL
▽ ⌕         jois                 stagnosols; structural or moderate textural discontinuity; ST
▽ ⌕         joo            organic high base soils
▽ ⌕         jooc                 chernozems; typically mollic; CH
▽ ⌕         jook                 kastanozems; transition to drier climate; KS
▽ ⌕         joop                 phaeozems; transition to more humid climate; PH
▽ ⌕         jos            less soluble salts and non-saline soils
▽ ⌕         josg                 gypsisols; gypsum soils; GY
▽ ⌕         josi                 durisols; silica soils; DU
▽ ⌕         josl                 calcisols; calcium carbonate soils; CL
▽ ⌕         jot            clay-enriched soils
▽ ⌕         jotb                 retisols; albeluvisols; albeluvic tonguing; AB; RT
▽ ⌕         jotl                 alisols; low base status; high-activity clay soils; AL
▽ ⌕         jotr                 acrisols; low base status; low-activity clay soils; AC
▽ ⌕         jotv                 luvisols; high base status; high-activity clay soils; LV
▽ ⌕         jotx                 lixisols; high base status; low-activity clay soils; LX
▽ ⌕         jov            young and little profile soils
▽ ⌕         jovb                 umbrisols; soils with an acidic dark topsoil; UM
▽ ⌕         jove                 arenosols; sandy soils; AR
▽ ⌕         jovm                 cambisols; moderately developed soils; CM
▽ ⌕         jovr                 regosols; soils with no significant profile development; RG
▽ ⌕         jox            histosols; soils with thick organic layers; HS
▽ ⌕         joy            soils with strong human influence
▽ ⌕         joyn                 anthrosols; soils with long and intensive agricultural use; AT
▽ ⌕         joyt                 technosols; soils containing many artefacts; TC
 
Connected classes:
 
 mp23  [jo]                growing on soil substratum
 r3os                soil technology  ← jo 
 sid           digging implements  ← jo 

specificity 
current: 99 

   
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ILC developing version — ISKO Italia <https://www.iskoi.org/ilc/> : 2006.03.06 - 2026.05.14 -