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4 Earth's Surface

Properties of Soil TEK 4.7A

Clay Soil that is comprised of very fine mineral particles and not much organic material.
Humus Dark, organic material that forms in soil when plant and animal matter decays.
Loam Rich, crumbly soil with nearly equal parts of sand and silt, and somewhat less clay. It holds water well and is perfect for growing plants.
Silt A solid, dust-like sediment made up of rock and mineral particles that are larger than clay but smaller than sand.
Topsoil The upper, outermost layer of soil, usually the top 5–10 inches
Components of Soil Rocks, air, water, and dead matter.
Decompose The process by which dead organic substances are broken down
Gravel Rounded rock fragments coarser than sand.
Nutrient A substance that provides nourishment essential for growth and the maintenance of life.
Particle A tiny or very small bit.
Properties of Soil How we describe soil: color, texture*, ability to retain water*, supports growth, particle size
Retain Absorb and continue to hold.
Texture The feel, appearance, or consistency of a surface or substance.
Created by: mparham
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