Texture/Components
This is the way sandy soil feels.
Gritty
Surface material layer where organic matter accumulates.
Top Soil
Sustains this above an below the surface.
Life: Plant and Animal
20% Sand, 40% Silt, What is missing?
40% Clay
There is soil or dirt on the floor of the greenhouse?
Dirt
This is the way clay soil feels.
Sticky
Lower organic matter than top soil. Zone of accumulation for leached chemicals.
Subsoil
Provides support to...
Structures
10% sand, 50% clay, What is missing?
40% silt
Is there soil or dirt outside beneath the grass?
Soil
Clumps of soil particles held together.
Aggregate
Little or no plant or animal life. Rock Fragments.
Weathered Rock
Filtering, Buffering, Degrading and ...
Immobilizing or Detoxifying
24% Sand, 33% Clay, What is missing?
43% Silt
What is parent material?
Soil that is formed directly from bedrock.
This is the smallest soil particle.
Clay
Limestone, Sandstone, or Granite
Bedrock
Regulating and partitioning _______
water and solute flow (runoff)
Name the percentages to get Silt soil.
98% Silt, 1% Sand, 1% Clay
If your soil is grey, what does that mean?
Poorly Drained
This type of soil is just right for plants and organisms.
Loam
Very top layer of soil, rich in nutrients.
Organic Matter
Storing and cycling ________
Nutrients
Name the percentages to get Sandy Clay soil.
40% Clay, 10% Silt, 50% Sand
Name a career that works directly with soil.
Various Answers