Soil Flashcards
What is the soil profile?
The layers of soil.
What are the 6 things that the soil quality is determined by?
Soil profile, composition, texture, particle size, permeability, and pH.
What are the layers of soil?
- Topsoil
- Subsoil
- Parent materials
- Bedrock
Which layer of soil contains humus and is where plants and animals live?
Topsoil
Which layer of soil is impenetrable?
Bedrock
What is soil composition?
What dirt is.
What is dirt a mixture of?
Rock particles, minerals, decayed organic material, air, and water
What is humus?
Decayed organic material
What determines the type of plant?
The soil
What is the soil texture?
The type of soil
What are types of soil textures determined by?
Size of soil particles
What does soil texture depend on?
The percent of sand, silt, and clay
What does texture affect?
The amount of water that can be absorbed for us by the plants and animals
What is the particle size?
How big the dirt is
What is determined by the soil particle size?
How much water the soil can absorb
