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Soil Science
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Welcome to c/soilscience @ slrpunk.net!
A science based community to discuss and learn all things related to soils.
Notice Board
This is a work in progress, please don't mind the mess.
Subdisciplines of soil science include:
- Soil Taxonomy & mapping
- Soil Fertility & Organic Amendments
- Soil Chemistry & Remediation
- Soil Mineralogy
- Soil Physics
- Soil Biology
These subdisciplines are used by various other disciplines, particularly those related to reclamation, remediation, and agriculture.
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- Memes are welcome, but the focus of this community is science-based
Resources
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Chemistry
- Secondary and micronutrient availability by pH
- Secondary and micro nutrients availability by pH line graph
- Common Nutrient Deficiency Symptoms on Leaves Infographic
Classification
Maps & Datasets
Canada
- Canadian System of Soil Classificaiton
- 1982 Canadian Manual for Describing Soils in the Field
- Alberta Soil Quality Criteria Relative to Disturbance this one is widely used across Canada
- Best management practices for conservation of reclamation materials in the mineable oil sands region of Alberta - a good guide to basic reclamation and revegetation BMPs
Europe
- Agrifood Soilscapes (UK)
- Datasets from the BGS (UK)
- Datasets from the James Sutton Institute (UK)
- Scotland Environment Soil Maps
- Soil Atlas of Europe
- UK Geochemical Atlas
- UK Soil Observatory
United States
World
Soil Contamination:
- Cornell Guide to Testing Contaminated Soils
- CCME Soil Guidelines for Contaminants
- Wikipedia Lists of Hyperaccumulators for Bioremediation
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- !reclamation@slrpnk.net
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founded 2 years ago
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In soils with very high 2:1 clay contents, the soils expand and contract as they are wetted and dried. This creates shear faces called slickenslides, like the one shown above. Essentially they clay expands so much it's forced to shear somehow, and this is the resulting shear plane.
90
Look how thick the Ae (first) horizon is!
91
Profile description:
Ah: 0-2 cm; 10YR 2/1; SCL; Weak Fine Granular; Friable
R 2-100 cm
92
Solonetzic soils are formed when sodium rich ground water causes 2:1 clays to disperse, forcing columns to form
94
Note the layer of carbonates (white) in the lower profile
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1
A Fench soil with an anthropogenic subdrain discharge (somewhere) causing gleying (iron reduction) in the subsoil
(slrpnk.net)
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1
That's a lot of soil structure posts. Take a minute to enjoy this wood Lilly in a regenerating burn
(slrpnk.net)
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This is a typical forest subsoil for the boreal, but the structure is a lot stronger than normal.
