Agriculture Study
Created by Sharzi Briella
What is a soil?
Soil is a vital, biologically active medium that supports life on Earth, composed of minerals, organic matter, water, and air.
Soil is a living ecosystem that supports plant growth. Soil takes thousands of years to form.
| Term | Definition |
|---|---|
What is a soil? | Soil is a vital, biologically active medium that supports life on Earth, composed of minerals, organic matter, water, and air.
Soil is a living ecosystem that supports plant growth. Soil takes thousands of years to form.
|
Importance of soil | Soil is essential or crucial for food security, as 95% of the world's food is produced in it. |
Functions | Soil provides structural support for plants, nutrients and host microorganisms. |
Common types of soil | sandy-drains fast
clay-retains water
silt-fertile
loam-balance mix |
Soil profile | organic layer
topsoil
subsoil
parent material
bedrock |
parts of a weedeater | motor/engine
handle
throttler trigger
power switch
straight shaft
cutting head
string (trimmer line)/head
safety guard
crank
fuel tank
connector cover
j-handle
|