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with phosphate). However, many oxisols can be cultivated over a wide range of moisture conditions. On this account, oxisols are intensively exploited for agriculture in some regions which have enough wealth to support modern agricultural practices (including regular additions of
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from the above soil layers. This forces plants to get their nutrition from decaying litter as oxisols are quite infertile due to the lack of organic matter and the almost complete absence of soluble minerals
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series, characterized by a pale yellow to brown color, developed in midlands in processes still under investigation; as are those forming lowland soils resembling
European
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722:
572:– oxisols of arid climates. Because the present climate can never produce enough weathering to produce oxisols, torrox soils are always
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would provide rich nutrients, but as rainfall passes through the litter on the forest floor the rain is
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398:
726:
566:– oxisols of continuously humid climates, where precipitation exceeds evapotranspiration in all months
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W. Zech, P. Schad, G. Hintermaier-Erhard: Soils of the World. Springer, Berlin 2022, Chapter 10.3.1.
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is grown on them. Permanent cropping of oxisols in low-income areas is very difficult because of low
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vast areas formerly covered in rainforest have become so dry that oxisols have formed a hard
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soils occur on uplands in a great semicircle around the southern rim, overlying associated
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8:
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Buol, Hole, and McCracken, (1997). ‘Soil
Genesis and Classification.’ 4th edition. (The
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467:, probably because vegetation took a long time to adapt to the infertility of oxisols.
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451:, oxisols extended to areas that now have quite cool climates, extending well into
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268:. Oxisols are always a red or yellowish color, due to the high concentration of
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Landform development and bioturbation on the Khorat plateau, Northeast
Thailand
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537:). A recent example of exploitation by modern methods involves the growing of
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soils, are said to have formed under humid tropical conditions in the early
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560:– oxisols with a water table at or near the surface for much of the year
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Present-day oxisols are found almost exclusively in tropical areas, in
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formed during periods of much wetter climates. They occur mainly in
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Scientists originally thought that the heavy vegetation of tropical
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fixation on iron and aluminium oxides (ligand exchange mechanism;
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due to animals. These processes produce the characteristic
190:
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646:"World Reference Base for Soil Resources, fourth edition"
130:
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about 2,200 million years ago. In warm periods like the
311:
in reference to the dominance of oxide minerals such as
626: – Very dark, fertile Amazonian anthropogenic soil
607:
Pages displaying short descriptions of redirect targets
643:
16:
Soil type known for occurring in tropical rain forests
459:. It is believed oxisols became vegetated later than
435:
oxisols are known from the first appearance of free
614: – Study of soils in their natural environment
370:, on an extensive plain later uplifted to form the
49:. Unsourced material may be challenged and removed.
553:Oxisols are divided into the following suborders:
504:Oxisols are often used for tropical crops such as
224:. Some oxisols have been previously classified as
1433:
651:. International Union of Soil Sciences, Vienna.
393:, in a prolonged and still on-going process of
830:
374:. Characterized by a bright red color, these
339:, almost always on highly stable continental
586:– oxisols of semiarid and subhumid climates
837:
823:
620: – Systematic categorization of soils
204:within 25 degrees north and south of the
109:Learn how and when to remove this message
844:
744:. University of Florida. Archived from
350:, oxisols are found on remnants of the
317:World Reference Base for Soil Resources
256:. They are defined as soils containing
210:World Reference Base for Soil Resources
1434:
1131:Canadian system of soil classification
697:: CS1 maint: archived copy as title (
818:
763:. University of Idaho. Archived from
665:, Nat.Hist.Bull.Siam Soc. (56), 1996
260:no more than ten percent weatherable
197:, best known for their occurrence in
809:profile photos (with classification)
803:profile photos (with classification)
47:adding citations to reliable sources
18:
13:
1115:Unified Soil Classification System
779:
14:
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1120:AASHTO Soil Classification System
796:
605: – Process of soil formation
212:(WRB), they belong mainly to the
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23:
644:IUSS Working Group WRB (2022).
34:needs additional citations for
1136:Australian Soil Classification
1127:(French classification system)
655:
637:
291:, plus small amounts of other
1:
630:
397:. Xanthic ferralsols of the
385:said to have been cleared of
326:
307:The word "oxisol" comes from
548:
362:, rhodic ferralsols, called
302:
231:
7:
1156:List of vineyard soil types
725:. USDA-NRCS. Archived from
712:Iowa State University Press
596:
592:– oxisols of humid climates
10:
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1141:Polish Soil Classification
470:
427:
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1165:Non-systematic soil types
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661:Lofjle, E.; Kubiniok, J.
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1151:List of U.S. state soils
352:Cimmerian microcontinent
266:cation exchange capacity
1146:1938 USDA soil taxonomy
1125:Référentiel pédologique
1109:FAO soil classification
499:
319:, oxisols are known as
420:cover upon which only
236:The main processes of
748:on September 16, 2006
492:by the wet and humid
1277:Calcareous grassland
854:World Reference Base
526:inner sphere complex
520:capacities and high
283:. They also contain
43:improve this article
846:Soil classification
811:IUSS World of Soils
618:Soil classification
1030:USDA soil taxonomy
856:for Soil Resources
195:USDA soil taxonomy
145:USDA soil taxonomy
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791:978-3-540-30460-9
512:. In some cases,
356:Shan–Thai Terrane
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1317:Hydrophobic soil
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673:. Archived from
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1382:Subaqueous soil
1367:Serpentine soil
1227:Parent material
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780:Further reading
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668:"Archived copy"
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578:Southern Africa
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518:cation exchange
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240:of oxisols are
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797:External links
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422:skeletal soils
372:Khorat Plateau
348:Southeast Asia
328:
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297:organic matter
238:soil formation
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135:Oxisol profile
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767:on 2006-06-04
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729:on 2006-02-06
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453:North America
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333:South America
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293:clay minerals
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259:
258:at all depths
255:
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250:pedoturbation
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60: –
59:
55:
54:Find sources:
48:
44:
38:
37:
32:This article
30:
26:
21:
20:
1332:Martian soil
1077:
805:WRB homepage
769:. Retrieved
765:the original
750:. Retrieved
746:the original
731:. Retrieved
727:the original
682:. Retrieved
675:the original
662:
657:
639:
589:
583:
569:
563:
557:
552:
503:
483:and leaches
477:rain forests
474:
431:
411:
395:bioturbation
345:
330:
320:
308:
306:
257:
254:soil profile
246:humification
235:
186:
185:
105:
96:
86:
79:
72:
65:
53:
41:Please help
36:verification
33:
1397:Terra rossa
1392:Terra preta
1372:Spodic soil
1292:Duplex soil
1272:Brown earth
1252:Alkali soil
1242:Rhizosphere
1237:Laimosphere
1111:(1974–1998)
1068:Inceptisols
975:Plinthosols
940:Kastanozems
624:Terra preta
603:Pedogenesis
407:brown soils
218:plinthosols
202:rain forest
161:Key process
1436:Categories
1377:Stagnogley
1327:Lunar soil
1282:Dark earth
1267:Brickearth
1232:Pedosphere
1202:Soil crust
1010:Technosols
995:Solonchaks
915:Ferralsols
880:Anthrosols
771:2006-05-14
752:2006-05-14
733:2006-05-14
716:Ames, Iowa
684:2010-12-23
631:References
535:fertilizer
522:phosphorus
441:atmosphere
424:can form.
327:Occurrence
321:ferralsols
281:hydroxides
272:(III) and
264:, and low
242:weathering
214:ferralsols
169:weathering
69:newspapers
1362:Quicksand
1307:Fill dirt
1247:Bulk soil
1093:Vertisols
1083:Spodosols
1073:Mollisols
1063:Histosols
1048:Aridisols
1020:Vertisols
1015:Umbrisols
1005:Stagnosol
970:Planosols
965:Phaeozems
945:Leptosols
930:Gypsisols
920:Fluvisols
900:Chernozem
895:Cambisols
890:Calcisols
885:Arenosols
761:"Oxisols"
742:"Oxisols"
723:"Oxisols"
574:paleosols
549:Suborders
481:acidified
449:Paleocene
418:ironstone
414:Australia
315:. In the
303:Etymology
274:aluminium
232:Formation
208:. In the
193:order in
99:July 2022
1442:Pedology
1347:Paleosol
1262:Blue goo
1217:Gypcrust
1088:Ultisols
1058:Gelisols
1053:Entisols
1043:Andisols
1038:Alfisols
1000:Solonetz
990:Retisols
985:Regosols
960:Nitisols
955:Luvisols
950:Lixisols
935:Histosol
925:Gleysols
910:Durisols
905:Cryosols
875:Andosols
865:Acrisols
693:cite web
612:Pedology
597:See also
539:soybeans
485:minerals
465:alfisols
461:ultisols
445:Mesozoic
391:termites
383:horizons
368:Tertiary
364:Yasothon
360:Thailand
262:minerals
226:laterite
222:nitisols
199:tropical
179:tropical
165:leaching
58:"Oxisol"
1297:Eluvium
1257:Bay mud
1222:Caliche
1212:Hardpan
1207:Claypan
1197:Subsoil
1192:Topsoil
1078:Oxisols
980:Podzols
870:Alisols
858:(1998–)
494:climate
490:leached
471:History
439:in the
428:Genesis
341:cratons
313:bauxite
309:"oxide"
228:soils.
206:Equator
187:Oxisols
175:Climate
152:Profile
141:Used in
83:scholar
1407:Yedoma
1342:Muskeg
789:
570:Torrox
543:Brazil
510:rubber
457:Europe
437:oxygen
433:Fossil
399:Khorat
380:gravel
376:relict
337:Africa
289:kaolin
285:quartz
277:oxides
189:are a
124:Oxisol
85:
78:
71:
64:
56:
1387:Takir
1322:Loess
678:(PDF)
671:(PDF)
649:(PDF)
584:Ustox
564:Perox
558:Aquox
506:cocoa
358:. In
90:JSTOR
76:books
1352:Peat
1187:Loam
1182:Clay
1177:Silt
1172:Sand
787:ISBN
699:link
590:Udox
533:and
531:lime
514:rice
508:and
500:Uses
455:and
447:and
403:Udon
401:and
387:sand
335:and
295:and
287:and
279:and
270:iron
248:and
191:soil
156:OABC
62:news
1337:Mud
541:in
463:or
412:In
389:by
346:In
220:or
45:by
1438::
718:.)
714:,
695:}}
691:{{
545:.
496:.
409:.
343:.
323:.
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