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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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would provide rich nutrients, but as rainfall passes through the litter on the forest floor the rain is
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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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Buol, Hole, and McCracken, (1997). ‘Soil
Genesis and Classification.’ 4th edition. (The
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279:. 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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soils, are said to have formed under humid tropical conditions in the early
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571:– 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
657:"World Reference Base for Soil Resources, fourth edition"
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about 2,200 million years ago. In warm periods like the
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in reference to the dominance of oxide minerals such as
637: – Very dark, fertile Amazonian anthropogenic soil
618:
Pages displaying short descriptions of redirect targets
27:
Soil type known for occurring in tropical rain forests
470:. It is believed oxisols became vegetated later than
446:
oxisols are known from the first appearance of free
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625: – Study of soils in their natural environment
381:, on an extensive plain later uplifted to form the
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60:. Unsourced material may be challenged and removed.
564:Oxisols are divided into the following suborders:
515:Oxisols are often used for tropical crops such as
235:. Some oxisols have been previously classified as
662:. International Union of Soil Sciences, Vienna.
404:, in a prolonged and still on-going process of
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385:. Characterized by a bright red color, these
350:, almost always on highly stable continental
8:
597:– oxisols of semiarid and subhumid climates
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631: – Systematic categorization of soils
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215:within 25 degrees north and south of the
120:Learn how and when to remove this message
755:. University of Florida. Archived from
647:
361:, oxisols are found on remnants of the
328:World Reference Base for Soil Resources
267:. They are defined as soils containing
221:World Reference Base for Soil Resources
1142:Canadian system of soil classification
708:: CS1 maint: archived copy as title (
701:
774:. University of Idaho. Archived from
676:, Nat.Hist.Bull.Siam Soc. (56), 1996
271:no more than ten percent weatherable
208:, best known for their occurrence in
7:
820:profile photos (with classification)
814:profile photos (with classification)
58:adding citations to reliable sources
1126:Unified Soil Classification System
25:
1131:AASHTO Soil Classification System
616: – Process of soil formation
223:(WRB), they belong mainly to the
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655:IUSS Working Group WRB (2022).
45:needs additional citations for
1147:Australian Soil Classification
1138:(French classification system)
302:, plus small amounts of other
1:
408:. Xanthic ferralsols of the
396:said to have been cleared of
318:The word "oxisol" comes from
373:, rhodic ferralsols, called
1167:List of vineyard soil types
736:. USDA-NRCS. Archived from
723:Iowa State University Press
603:– oxisols of humid climates
1474:
1152:Polish Soil Classification
1426:
1176:Non-systematic soil types
672:Lofjle, E.; Kubiniok, J.
139:
1162:List of U.S. state soils
363:Cimmerian microcontinent
277:cation exchange capacity
1157:1938 USDA soil taxonomy
1136:Référentiel pédologique
1120:FAO soil classification
330:, oxisols are known as
431:cover upon which only
247:The main processes of
759:on September 16, 2006
503:by the wet and humid
1288:Calcareous grassland
865:World Reference Base
537:inner sphere complex
531:capacities and high
294:. They also contain
54:improve this article
857:Soil classification
822:IUSS World of Soils
629:Soil classification
1041:USDA soil taxonomy
867:for Soil Resources
206:USDA soil taxonomy
156:USDA soil taxonomy
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802:978-3-540-30460-9
523:. In some cases,
367:Shan–Thai Terrane
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16:(Redirected from
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383:Khorat Plateau
359:Southeast Asia
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249:soil formation
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778:on 2006-06-04
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304:clay minerals
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269:at all depths
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261:pedoturbation
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71: –
70:
66:
65:Find sources:
59:
55:
49:
48:
43:This article
41:
37:
32:
31:
19:
1343:Martian soil
1088:
816:WRB homepage
780:. Retrieved
776:the original
761:. Retrieved
757:the original
742:. Retrieved
738:the original
693:. Retrieved
686:the original
673:
668:
650:
600:
594:
580:
574:
568:
563:
514:
494:and leaches
488:rain forests
485:
442:
422:
406:bioturbation
356:
341:
331:
319:
317:
268:
265:soil profile
257:humification
246:
197:
196:
116:
107:
97:
90:
83:
76:
64:
52:Please help
47:verification
44:
1408:Terra rossa
1403:Terra preta
1383:Spodic soil
1303:Duplex soil
1283:Brown earth
1263:Alkali soil
1253:Rhizosphere
1248:Laimosphere
1122:(1974–1998)
1079:Inceptisols
986:Plinthosols
951:Kastanozems
635:Terra preta
614:Pedogenesis
418:brown soils
229:plinthosols
213:rain forest
172:Key process
1447:Categories
1388:Stagnogley
1338:Lunar soil
1293:Dark earth
1278:Brickearth
1243:Pedosphere
1213:Soil crust
1021:Technosols
1006:Solonchaks
926:Ferralsols
891:Anthrosols
782:2006-05-14
763:2006-05-14
744:2006-05-14
727:Ames, Iowa
695:2010-12-23
642:References
546:fertilizer
533:phosphorus
452:atmosphere
435:can form.
338:Occurrence
332:ferralsols
292:hydroxides
283:(III) and
275:, and low
253:weathering
225:ferralsols
180:weathering
80:newspapers
18:Ferralsols
1373:Quicksand
1318:Fill dirt
1258:Bulk soil
1104:Vertisols
1094:Spodosols
1084:Mollisols
1074:Histosols
1059:Aridisols
1031:Vertisols
1026:Umbrisols
1016:Stagnosol
981:Planosols
976:Phaeozems
956:Leptosols
941:Gypsisols
931:Fluvisols
911:Chernozem
906:Cambisols
901:Calcisols
896:Arenosols
772:"Oxisols"
753:"Oxisols"
734:"Oxisols"
585:paleosols
560:Suborders
492:acidified
460:Paleocene
429:ironstone
425:Australia
326:. In the
314:Etymology
285:aluminium
243:Formation
219:. In the
204:order in
110:July 2022
1453:Pedology
1358:Paleosol
1273:Blue goo
1228:Gypcrust
1099:Ultisols
1069:Gelisols
1064:Entisols
1054:Andisols
1049:Alfisols
1011:Solonetz
1001:Retisols
996:Regosols
971:Nitisols
966:Luvisols
961:Lixisols
946:Histosol
936:Gleysols
921:Durisols
916:Cryosols
886:Andosols
876:Acrisols
704:cite web
623:Pedology
608:See also
550:soybeans
496:minerals
476:alfisols
472:ultisols
456:Mesozoic
402:termites
394:horizons
379:Tertiary
375:Yasothon
371:Thailand
273:minerals
237:laterite
233:nitisols
210:tropical
190:tropical
176:leaching
69:"Oxisol"
1308:Eluvium
1268:Bay mud
1233:Caliche
1223:Hardpan
1218:Claypan
1208:Subsoil
1203:Topsoil
1089:Oxisols
991:Podzols
881:Alisols
869:(1998–)
505:climate
501:leached
482:History
450:in the
439:Genesis
352:cratons
324:bauxite
320:"oxide"
239:soils.
217:Equator
198:Oxisols
186:Climate
163:Profile
152:Used in
94:scholar
1418:Yedoma
1353:Muskeg
800:
581:Torrox
554:Brazil
521:rubber
468:Europe
448:oxygen
444:Fossil
410:Khorat
391:gravel
387:relict
348:Africa
300:kaolin
296:quartz
288:oxides
200:are a
135:Oxisol
96:
89:
82:
75:
67:
1398:Takir
1333:Loess
689:(PDF)
682:(PDF)
660:(PDF)
595:Ustox
575:Perox
569:Aquox
517:cocoa
369:. In
101:JSTOR
87:books
1363:Peat
1198:Loam
1193:Clay
1188:Silt
1183:Sand
798:ISBN
710:link
601:Udox
544:and
542:lime
525:rice
519:and
511:Uses
466:and
458:and
414:Udon
412:and
398:sand
346:and
306:and
298:and
290:and
281:iron
259:and
202:soil
167:OABC
73:news
1348:Mud
552:in
474:or
423:In
400:by
357:In
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