Flashcards in Soil Test Deck (26):
How can plants live without soil? Example 1
As long as plants have minerals and nutrients, they don't need to grow in soil.
How can plants live without soil? Example 2
How can plants live without soil? Example 3
With WET gravel
How can plants live without soil? Example 4
With a WET paper towel
The wearing down and breaking of rock surfaces?
Examples of physical weathering are (5 examples):
1. water movement
3. plant grow
What benefits do, plants receive from soil (4 Benefits)?
1. air for roots
2. water to carry nutrients to plants
3. organic & mineral matter provides nutrients
4. structural support
The MOVEMENT of weathered materials is called?
How does erosion occurs?
Occurs through wind and water
How can erosion be controlled?
With plants, windbreak and mulch
How is soil created?
Through the processes of weathering and erosion
What % of soil components do mineral matter have?
What % of soil components do organic matter have?
What % of soil components do water matter have?
What % of soil components do air matter have?
What are the three soil profiles?
Topsoil, subsoil and bedrock
Top layer, dark color, rich in organic matter?
Bottom layer, solid rock?
Middle layer, light color, little organic matter?
What are the soil components?
Mineral matter, organic matter, water and air
Middle, smooth, slick?
Size of particles found in mineral matter in soil?
Particles of various sizes, found in the soil?
Sand, silt and clay