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Topsoil Contains decaying organic matter
Topsoil Contains rocks
Topsoil Contains bacteria, Fungi, Insects, Worms
Subsoil Very compact
Subsoil Contains only large plant roots
Bedrock Is solid rock
Bedrock Water cannot get through its rock
Bedrock Water table is on top of it
Bedrock Third Layer
Subsoil Second Layer
Topsoil First Layer
Loam Soil Contains rock particles of different sizes
Loam Soil Pockets hold air and water
Loam Soil Drains well
Clay Soil Small particles that pack together tightly
Clay Soil Soil stays wet
Clay Soil Blocks root growth
Sandy Soil Large particles
Sandy Soil Roots grow well
Sandy Soil Water runs off and bring nutrients with it
Soil Erosion Soil runs off because of plowed fields
Soil Erosion Roots hold soil in place
Nutrient Deterioration Crops use nutrients that we later harvest, and they go elsewhere
Crop Rotation Plant different crops so different nutrients are used up
Ph level plants like 6
Created by: NCCgradenines