Chapter 13• Principle Soil Components

– Inorganic, soil water, soil air, and organic

• Humus– Decayed remains of plants and animals– Sources of nutrients, retains water, increase stability

• Leaching, Eluviation, and Illuviation

• Characteristics of Soil– Color, texture, structure, acidity and alkalinity

• Soil Texture– Clay, silt, sand

• 6 Mater Soil Horizons– O, A, E, B, C, & R

• Soil Forming Factors– Parent material

– Climate

– Topo

– Bioto

– Time

• Soil Forming Regimes– Laterization

– Podzolization

– Calcification

• Soil Orders