1. From the Greek word “histos”, meaning tissue By, Allen R. Best
Histosols
From the Greek word “histos”,
meaning tissue
By, Allen R. Best

2. Spread Over the World

3. Spread Over the U.S.

4. Suborder Spread Over U.S.

5. Spread Over MN

6. Histosol (Organic Soils)
Soil order of peats and mucks that are thicker than 18 inches.
Very minute mineral component.
Forms from the accumulation of organic matter in wet/cool environments (examples: Wetland or peat bog).
Found in boreal, arctic, and sub-arctic regions.
Important ecologically because of the amount of carbon contained in them.
Agriculturally valuable.
Can be used as a fuel source.
Lots of anaerobic decomposition!
GENERAL

8. 5 Suborders
Folists
Wassists
Fibrists
Saprist
Hemists!
General

9. Volume Change!
General

10. Diagnostic Horizons Horizons are O (organic matter).
O horizon is broken up according to degree of O.M. decomposition.
a – highly
e – intermediate
i – slightly

11. FIN Q: why was the soil so good in school?
A: it knows its ABCs.
Q: why did the gardener plant his money?
A: he wanted the soil to be rich.
So a fungi walks into a bar and the bartenders says “We don’t serve your kind here!”. The fungi replies “But, I’m a FUN-GUY!” … get it?