{{Short description|Soil type}} {{Infobox soil |name=Acrisol |alternative_name= |image=Acrisolprof.JPG |image_size=250px |image_caption=A Stagnic Acrisol profile from Malaysia |classification_system=WRB |profile=AEBtC |code=AC |parent_material=various |climate=tropical, humid subtropical }}
An '''Acrisol''' is a Reference Soil Group of the World Reference Base for Soil Resources (WRB).<ref>{{Cite web|url = https://wrb.isric.org/files/WRB_fourth_edition_2022-12-18.pdf|title = World Reference Base for Soil Resources, fourth edition|author=IUSS Working Group WRB|year = 2022|publisher = International Union of Soil Sciences, Vienna}}</ref> It has a clay-rich subsoil. It is associated with humid, tropical climates, such as those found in Brazil, and often supports forested areas.<ref>{{Cite book|title=Chemistry of Variable Charge Soils |author=T. R. Yu|year= 1997|publisher=Oxford University Press|isbn=0-19-509745-9|url=https://books.google.com/books?id=70yqVLEn95QC&dq=Acrisol&pg=PA36|page=36}}</ref> In the USDA soil taxonomy,<ref>{{Cite web|url = https://www.nrcs.usda.gov/wps/portal/nrcs/detail/soils/survey/class/taxonomy/?cid=nrcs142p2_053580|title = Keys to Soil Taxonomy, twelfth edition|author=Soil Survey Staff|year = 2014|publisher = United States Department of Agriculture, Washington, D.C.}}{{dead link|date=June 2025|bot=medic}}{{cbignore|bot=medic}}</ref> Acrisols correspond to the Humult, Udult, and Ustult suborders of the Ultisols and also to Oxisols with a kandic horizon and to some Alfisols.<ref name=encyclopedia>CHESWORTH, WARD. Encyclopedia of Soil Science. 2001. pp. 22-24</ref> Acrisol's low fertility and toxic amounts of aluminium pose limitations to its agricultural use, favouring in many places its use for silviculture, low-intensity pasture, and protected areas. Crops that can be successfully cultivated, if the climate allows, include tea, rubber tree, oil palm, coffee and sugar cane.<ref name=encyclopedia />
== See also == *Soil horizon *Soil type
== References == {{Reflist}}
== Further reading == * W. Zech, P. Schad, G. Hintermaier-Erhard: Soils of the World. Springer, Berlin 2022, Chapter 7.3.1. {{ISBN|978-3-540-30460-9}}
== External links == * [https://wrb.isric.org/picture-gallery/ profile photos (with classification)] WRB homepage * [https://www.iuss.org/index.php?article_id=73|title=IUSS profile photos (with classification)] IUSS World of Soils {{Soil type}}
Category:Pedology Category:Types of soil