7 References
Almeida, Jaime Antonio de, Antônio Lunardi Neto, and Pablo
Vidal-Torrado. 2015. “Sombric Horizon: Five Decades Without
Evolution.” Scientia Agricola 72 (1): 87–95. https://doi.org/10.1590/0103-9016-2014-0111.
Asiamah, R. D. 2000. “Plinthite and Conditions for Its Hardening
in Agricultural Soils in Ghana.” PhD thesis, Kwame Nkrumah
University of Science; Technology.
Blakemore, L. C., P. L. Searle, and B. K. Daly. 1987. “Methods for
Chemical Analysis of Soils.” 80. New Zealand Soil Bureau
Scientific Report. New Zealand Department of Scientific; Industrial
Research. https://doi.org/10.7931/DL1-SBSR-80.
Blum, Winfried E. H., Peter Schad, and Stephen Nortcliff. 2018.
Essentials of Soil Science: Soil Formation, Functions, Use and
Classification (World Reference Base, WRB). Borntraeger Science
Publishers. https://www.schweizerbart.de/publications/detail/isbn/9783443010904.
Blume, Hans-Peter, Karl Stahr, and Peter Leinweber. 2010.
Bodenkundliches Praktikum: Eine Einführung in Pedologisches Arbeiten
Für Ökologen, Insbesondere Land- Und Forstwirte, Und Für
Geowissenschaftler. 3rd ed. Springer. https://doi.org/10.1007/978-3-8274-2733-5.
Broll, Gabriele, Hans-Jörg Brauckmann, Mark Overesch, Birte Junge,
Claudia Erber, Gerhard Milbert, Denis Baize, and Freddy Nachtergaele.
2006. “Topsoil Characterization—Recommendations for Revision and
Expansion of the FAO-Draft (1998) with Emphasis on Humus Forms and
Biological Features.” Journal of Plant Nutrition and Soil
Science 169 (3): 453–61. https://doi.org/10.1002/jpln.200521961.
Burt, Rebecca, ed. 2014. Kellogg Soil Survey Laboratory Methods
Manual. 5.0 ed. Soil Survey Investigations Report. United States
Department of Agriculture. https://digitalcommons.unl.edu/usdaarsfacpub/2115/.
COST Association. 2004. Final Report - COST-622 Soil Resources of
European Volcanic Systems (1998-2004). https://www.cost.eu/actions/622/.
DVWK, ed. 1995. Bodenkundliche Untersuchungen Im Felde Zur
Ermittlung von Kennwerten Zur Standortcharakterisierung: Teil i:
Ansprache Der Böden. DVWK-Regeln Zur Wasserwirtschaft. Wirtschafts-
und Verlagsgesellschaft Gas und Wasser.
FAO-UNESCO. 1971–1981. Soil Map of the World 1:5 000 000.
UNESCO. https://www.fao.org/soils-portal/data-hub/soil-maps-and-databases/faounesco-soil-map-of-the-world/en/.
———. 1974. Soil Map of the World 1:5 000 000 - Legend. Vol. 1.
UNESCO. https://www.fao.org/3/as360e/as360e.pdf.
FAO-UNESCO-ISRIC. 1988. “Soil Map of the World, Revised
Legend.” 60. FAO-UNESCO-ISRIC. https://www.isric.org/sites/default/files/isric_report_1988_01.pdf.
Fieldes, Morice, and K. W. Perrott. 1966. “The Nature of Allophane
in Soils, Part 3 - Rapid Field and Laboratory Test for
Allophane.” New Zealand Journal of Science 9: 623–29. https://www.google.com/books/edition/The_Nature_of_Allophane_in_Soils/3UD9cQAACAAJ?hl=en.
Fox, Catherine A., Charles Tarnocai, and Gabrielle Broll. 2010.
“New a Horizon Protocols for Topsoil Characterization in
Canada.” In 19th World Congress of Soil Science Proceedings,
Symposium 1.4.2, 9–12. https://www.old.iuss.org/19th%20WCSS/Symposium/pdf/0467.pdf.
Graefe, Ulfert, Rainer Baritz, Gabriele Broll, Eckart Kolb, Gerhard
Milbert, and Christine Wachendorf. 2012. “Adapting Humus Form
Classification to WRB Principles.” In EUROSOIL 2012 Book of
Abstracts, 954. ECSSS. https://www.ifab-hamburg.de/documents/Graefe_et_al_poster_2012a.pdf.
Hewitt, A. E. 1992. New Zealand Soil Classification (v. 3.0).
1st ed. DSIR Land Resources Scientific Report. DSIR Land Resources. https://doi.org/10.7931/DL1-LRSS-1-2010.
Holmgren, George G. S. 1967. “A Rapid Citrate-Dithionite
Extractable Iron Procedure.” Soil Science Society of America
Journal 31 (2): 210–11. https://doi.org/10.2136/sssaj1967.03615995003100020020x.
International Organization for Standardization. 2015. Soil Quality —
Determination of Particle Size Distribution in Mineral Soil Material —
Method by Sieving and Sedimentation. ISO 11277:2009. 2nd ed. https://www.iso.org/standard/54151.html.
ISSS-ISRIC_FAO. 1998. World Reference Base for Soil Resources.
Vol. 106. World Soil Resources Reports. FAO. https://www.fao.org/3/w8594e/w8594e00.htm.
Ito, Toyoaki, Sadao Shoji, Yasuhito Shirato, and Eri Ono. 1991.
“Differentiation of a Spodic Horizon from a Buried a
Horizon.” Soil Science Society of America Journal 55
(2): 438–42. https://doi.org/10.2136/sssaj1991.03615995005500020024x.
IUSS Working Group WRB, ed. 2006. World Reference Base for Soil
Resources 2006. 2nd ed. World Soil Resources Reports. Food;
Agriculture Organization of the United Nations. https://www.fao.org/fileadmin/templates/nr/images/resources/pdf_documents/wrb2007_red.pdf.
———. 2015. World Reference Base for Soil Resources 2014, Update
2015. Vol. 106. World Soil Resources Reports. FAO. https://www.fao.org/soils-portal/soil-survey/soil-classification/world-reference-base/en/.
Jabiol, Bernard, Augusto Zanella, Jean-François Ponge, Giacomo Sartori,
Michael Englisch, Bas van Delft, Rein de Waal, and Renée-Claire Le
Bayon. 2013. “A Proposal for Including Humus Forms in the World
Reference Base for Soil Resources (WRB-FAO).” Geoderma
192 (January): 286–94. https://doi.org/10.1016/j.geoderma.2012.08.002.
Juilleret, Jérôme, Antonio C de Azevedo, Roseclenia A Santos, Jean CB
dos Santos, Fabricio de A Pedron, and Stefaan Dondeyne. 2018.
“Where Are We with Whole Regolith Pedology? A Comparative Study
from Brazil.” South African Journal of Plant and Soil 35
(4): 251–61. https://doi.org/10.1080/02571862.2017.1411537.
Juilleret, Jérôme, Stefaan Dondeyne, Karen Vancampenhout, Jozef Deckers,
and Christophe Hissler. 2016. “Mind the Gap: A Classification
System for Integrating the Subsolum into Soil Surveys.” Soil
Mapping, Classification, and Modelling: History and Future
Directions 264 (February): 332–39. https://doi.org/10.1016/j.geoderma.2015.08.031.
Kabała, Cezary, Bernard Galka, Beata Labaz, Lucia Anjos, and Rafael de
Souza Cavassani. 2018. “Towards More Simple and Coherent Chemical
Criteria in a Classification of Anthropogenic Soils: A Comparison of
Phosphorus Tests for Diagnostic Horizons and Properties.”
Geoderma 320 (June): 1–11. https://doi.org/10.1016/j.geoderma.2018.01.024.
Köppen, Wladimir Peter. 1936. Das Geographische System Der Klimat
(the Geographical System of the Climate). Handbuch Der
Klimatologie. Gebrüder Borntraeger. https://commons.wikimedia.org/wiki/File:Das_geographische_System_der_Klimate_(1936).pdf.
Krogh, L., and M. H. Greve. 1999. “Evaluation of World Reference
Base for Soil Resources and FAO Soil Map of the World Using Nationwide
Grid Soil Data from Denmark.” Soil Use and Management 15
(3): 157–66. https://doi.org/10.1111/j.1475-2743.1999.tb00082.x.
Mehlich, A. 1984. “Mehlich 3 Soil Test Extractant: A Modification
of Mehlich 2 Extractant.” Communications in Soil Science and
Plant Analysis 15 (12): 1409–16. https://doi.org/10.1080/00103628409367568.
Mehra, O. P., and M. L. Jackson. 1960. “Iron Oxide Removal from
Soils and Clays by a Dithionite-Citrate System Buffered with Sodium
Bicarbonate.” Clays and Clay Minerals 7: 317–27. https://doi.org/10.1016/B978-0-08-009235-5.50026-7.
Miller, Bradley A., and Jérôme Juilleret. 2020. “The Colluvium and
Alluvium Problem: Historical Review and Current State of
Definitions.” Earth-Science Reviews 209 (October):
103316. https://doi.org/10.1016/j.earscirev.2020.103316.
Nachtergaele, F. 2005. “The ‘Soils’ to Be Classified
in the World Reference Base for Soil Resources.” Eurasian
Soil Science 38 (January): 13–19.
National Committee On Soil And Terrain. 2009. Australian Soil and
Land Survey Field Handbook. 3rd ed. Australian Soil and Land Survey
Handbooks. CSIRO Publishing. https://www.publish.csiro.au/book/5230/.
Natural England. 2008. Soil Texture. TIN037. Natural England.
https://publications.naturalengland.org.uk/publication/32016.
Piper, C. S. 1942. Soil and Plant Analysis. A Laboratory Manual of
Methods for the Examination of Soils and the Determination of the
Inorganic Constituents of Plants. Waite Agricultural Research
Institute. https://archive.org/details/soilplantanalysi0000clar.
Prietzel, Jörg, and Martin Wiesmeier. 2019. “A Concept to Optimize
the Accuracy of Soil Surface Area and SOC Stock Quantification in
Mountainous Landscapes.” Geoderma 356 (December):
113922. https://doi.org/10.1016/j.geoderma.2019.113922.
Reeuwijk, L. P. van, ed. 2002. Procedures for Soil Analysis.
6th ed. International Soil Reference; Information Centre. https://www.isric.org/sites/default/files/ISRIC_TechPap09.pdf.
Rennert, Thilo. 2019. “Wet-Chemical Extractions to Characterise
Pedogenic Al and Fe Species – a Critical Review.” Soil
Research 57 (1): 1. https://doi.org/10.1071/SR18299.
Schoeneberger, P. J., D. A. Wysocki, E. C. Benham, and Soil Survey
Staff. 2012. Field Book for Describing and Sampling Soils, Version
3.0. Natural Resources Conservation Service, National Soil Survey
Center. https://www.nrcs.usda.gov/sites/default/files/2022-09/field-book.pdf.
Schultz, Jürgen. 2005. The Ecozones of the World: The Ecological
Divisions of the Geosphere. 2nd ed. Springer. https://doi.org/10.1007/3-540-28527-X.
Shoji, Sadao, Masami Nanzyo, Randy A. Dahlgren, and Paul Quantin. 1996.
“Evaluation and Proposed Revisions of Criteria for Andosols in the
World Reference Base for Soil Resources.” Soil Science
161 (9). https://doi.org/10.1097/00010694-199609000-00005.
Soil Science Division Staff. 2017. Soil Survey Manual. 3rd ed.
Agriculture Handbook. United States Department of Agriculture. https://www.nrcs.usda.gov/resources/guides-and-instructions/soil-survey-manual.
Soil Survey Staff. 1999. Soil Taxonomy: A Basic System of Soil
Classification for Making and Interpreting Soil Surveys. 2nd ed.
Agriculture Handbook. United States Department of Agriculture. https://www.nrcs.usda.gov/resources/guides-and-instructions/soil-taxonomy.
Sokolov, I. A. 1997. Pochvoobrazovanie i Ėkzogenez (Soil Formation
and Exogenesis). Rossiĭskai︠a︡ akademii︠a︡ s.-kh. nauk, Pochvennyĭ in-t
im. V.V. Dokuchaeva. https://www.rfbr.ru/library/books/1487/.
Sullivan, Leigh A., Richard T. Bush, and D. M. McConchie. 2000. “A
Modified Chromium-Reducible Sulfur Method for Reduced Inorganic Sulfur:
Optimum Reaction Time for Acid Sulfate Soil.” Australian
Journal of Soil Research 38 (3): 729–34. https://doi.org/10.1071/SR99088.
Takahashi, Tadashi, Masami Nanzyo, and Sadao Shoji. 2004.
“Proposed Revisions to the Diagnostic Criteria for Andic and
Vitric Horizons and Qualifiers of Andosols in the World Reference Base
for Soil Resources.” Soil Science and Plant Nutrition 50
(3): 431–37. https://doi.org/10.1080/00380768.2004.10408497.
Thien, Steve J. 1979. “A Flow Diagram for Teaching Texture-by-Feel
Analysis.” Journal of Agronomic Education 8 (1): 54–55.
https://doi.org/10.2134/jae.1979.0054.
UN-FAO. 2006. Guidelines for Soil Description. 4th ed. UN-FAO.
https://www.fao.org/4/a0541e/a0541e.pdf.
Uzarowicz, Łukasz, Zbigniew Zagórski, Emilia Mendak, Piotr Bartmiński,
Ewa Szara, Marek Kondras, Lidia Oktaba, Agnieszka Turek, and Radosław
Rogoziński. 2017. “Technogenic Soils (Technosols) Developed from
Fly Ash and Bottom Ash from Thermal Power Stations Combusting Bituminous
Coal and Lignite. Part i. Properties, Classification, and Indicators of
Early Pedogenesis.” CATENA 157 (October): 75–89. https://doi.org/10.1016/j.catena.2017.05.010.
Varghese, T. M., and G. Byju. 1993. Laterite Soils: Their
Distribution, Characteristics, Classification and Management.
Technical Monograph. Government of Kerala, State Committee on Science,
Tech & Environment. https://books.google.com/books?id=_eBKHAAACAAJ.
Zanella, Augusto, Jean-François Ponge, Bernard Jabiol, Giacomo Sartori,
Ekart Kolb, Renée-Claire Le Bayon, Jean-Michel Gobat, et al. 2018.
“Humusica 1, Article 5: Terrestrial Humus Systems and Forms — Keys
of Classification of Humus Systems and Forms.” HUMUSICA 1 -
Terrestrial Natural Humipedons 122 (January): 75–86. https://doi.org/10.1016/j.apsoil.2017.06.012.