Types of Soil
Large Particle Size
Gritty Texture
Holds Little Water
Few Plants Can Grow In It
Sand
Which Horizon is Bedrock?
Horizon R
Garden Soils Need to be Tilled Every Year.
False
Damages the Nutrients
Very Small Particle Size
Sticky, Plastic Texture
Holds A Lot of Water
Difficult for Plant Roots to Grow
Clay
Which Horizon is Mineral?
Horizon A
Clay Soil Holds onto Water Longer than Sandy Soil.
True
Clay, Sand, and Silt
Crumbly Texture
Holds Just Right Amount of Water
Most Plant Growth
Loam
Which Horizon is Organic?
Horizon O
Soil and Dirt are the Exact Same Thing.
False
Soil is an ecosystem with nutrients, dirt, and organisms.
Medium Particle Size
Powdery Texture
Holds Good Amounts of Water
Good for Plant Growth
Which Horizon is Parent Mineral?
Horizon C
It Takes 50 Years to Make Just 1 Inch of Topsoil.
False
It takes hundreds of years.