Macroaggregate
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-Roots
-Hyphae
, State the rules for distinguishing between surface soils and subsoils (use at least 3
distinguishing characteristics)
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Top Soil (surface soil):
1. Layer most effected by soil forming factors
2. Darker (more organic mstter)
3. More plant roots
4. More porous
5. Smaller aggregates
6. Usually less clay (more sand and silt)
Nanoaggregate
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-Primary particles of silt, clay, and humus
-Clay and clay-humus domains
Name the primary silicate mineral that is resistant to weathering and dominates the
sand and silt fraction of moist soils
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Quartz
Parent Material - Lacustrine
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-Roots
-Hyphae
, State the rules for distinguishing between surface soils and subsoils (use at least 3
distinguishing characteristics)
Give this one a try later!
Top Soil (surface soil):
1. Layer most effected by soil forming factors
2. Darker (more organic mstter)
3. More plant roots
4. More porous
5. Smaller aggregates
6. Usually less clay (more sand and silt)
Nanoaggregate
Give this one a try later!
-Primary particles of silt, clay, and humus
-Clay and clay-humus domains
Name the primary silicate mineral that is resistant to weathering and dominates the
sand and silt fraction of moist soils
Give this one a try later!
Quartz
Parent Material - Lacustrine
