Soil Classification Decision Tree

Order
Organic
Organic --> Great Group

Criteria

      Fibrisol
      Mesisol
      Humisol
      Folisol

Description

      Fibrisol
      Mesisol
      Humisol
      Folisol
Order
Regosolic
Regosolic --> Great Group
Criteria
      Humic-Regosol
      Regosol
Description
      Humic-Regosol
      Regosol
Order
Brunisolic
Brunisolic --> Great Group

Great Group Criteria

      Melanic Brunisol
      Sombric Brunisol
      Eutric Brunisol
      Dystric Brunisol

Great Group Description

      Melanic Brunisol
      Sombric Brunisol
      Eutric Brunisol
      Dystric Brunisol
Order
Podzolic
Podzolic --> Great Group
Criteria
      Humic-Podzol
      Ferro Humic Podzol
      Humo Ferric Podzol
Description
      Humic Podzol
      Ferro Humic Podzol
      Humo Ferric Podzol
Order
Luvisolic
Luvisolic --> Great Group

Criteria

      Gray Brown Luvisol
      Gray Luvisol

Description

      Gray Brown Luvisol
      Gray Luvisol
Order
Gleysolic
Gleysolic --> Great Group
Criteria
      Luvic Gleysol
      Humic Gleysol
      Gleysol
Description
      Luvic Gleysol
      Humic Gleysol
      Gleysol
Other soils not found in Ontario


The Decision tree is modified after: Ontario Center for Soil Resource Evaluation. 1993. Field Manual for Describing Soils in Ontario. 4th edition. Printing 2003.