Soil Composition
The 3 soil particles are
Sand, Silt, Clay
Graphical representation of soil textures based on the amount of sand, silt, and clay.
Soil Triangle
Steepness of land
Slope
Parent Material is in this Horizon
C
TRUE or FALSE. The deeper the soil horizon, the lighter its color.
TRUE.
Smallest soil particle
Clay
Soil that is gritty has what texture?
Coarse
A vertical cross section of soil
Soil Profile
These two soil horizons make up the top soil.
O and A
Flood plain
Largest soil particle
Sand
Loam, Silt Loam, and Silt have what soil texture?
Medium
Any product from living organisms: decaying plant and animal waste
Organic Matter
This soil horizon is also known as the bedrock, composed of unweathered parent materials.
R
An upland area with a very gentle slope
Upland Flat
Middle sized soil particle
Silt
Soil with mostly Clay could be either of these two textures
Mod. Fine, Fine
The upper layer of soil used for growing plants
Topsoil
Visible layers in a soil profile are called what?
Horizons
The area that the school sits on is called
What is a Terrace?
The material covering the Earth's surface
Soil
What are the 5 different soil textures we recognize?
The materials that make up soil
Soil Composition
This soil horizon is also known as the subsoil and the zone of accumulation.
B
No Till cropping is a popular way to reduce what
Erosion