Soils Flashcards
1
Q
Define soils
A
Soil is a top layer of the Earth’s surface that supports plant growth
2
Q
What are the six components of soil
A
Minerals, soil, gas, living organisms, organic matter, water
3
Q
Why is each component of soil important
A
●Minerals provide essential nutrients or plants
●organic matter improve soil structure and fertility
●water hydrates plants
●Air supplies oxygen to roots
●Living organisms break down organic matter
●Rocks contribute to soil formation
4
Q
Why is soil important
A
Soil supports plants growth by providing nutrients, it regulates water flow, prevents erosion, acts as a habitat for many organisms, water purification and plays a role in the carbon and nitrogen Cycles
5
Q
How can sand and clay soil be improved
A
By adding organic matter and humus.
