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SPS 251

SPS 251. Revision Class. The Soil Profile. What is soil profile, soil horizon Identification and nomenclature of horizons Master horizons and layers Transitional horizons Subordinate horizons. Soil Classification. Reasons for classification Some concepts of soil

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SPS 251

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  1. SPS 251 Revision Class

  2. The Soil Profile • What is soil profile, soil horizon • Identification and nomenclature of horizons • Master horizons and layers • Transitional horizons • Subordinate horizons

  3. Soil Classification • Reasons for classification • Some concepts of soil • Examples of soil classification systems • Basis for classifying soils • Diagnostic horizons

  4. Physical and Morphological Properties of Soil • Soil Color • Soil Texture • Soil Structure • Soil Consistence • Soil Density

  5. Soil Water and Hydrologic Cycle • Structure and Properties of Water • Energy of Soil Water • Classification of Soil Water • Movement of Soil Water • Measurements of Soil Water • Soil Water Availability to Plants

  6. Soil Air and Temperature • Characterizing Soil Air • Factors Affecting Soil Air • Ecological Impacts of Soil Aeration • Soil Air and Wetland Hydrology • Effects of Temperature on Soil Processes • Management of Soil Temperature

  7. Properties of Clay and Organic Colloids • Properties of Colloids • Types of Colloids • Structure of Colloids • Sources of Charge on Colloids • Reactions of Soil Colloids

  8. Soil Acidity • Soil acidification process • Buffering of pH in soils • Determination of soil pH • Management of soil pH

  9. ALKALINE AND SALT AFFECTED SOILS • Causes of Alkalinity • Characteristics of Alkaline Soils • Classes of Salt Affected Soils • Management of Soil Affected soils

  10. SOIL BIOLOGY AND ECOLOGY • Diversity of Soil Organisms • Relationships between Organisms • Characteristics of Groups of Organisms • Abundance and Biomass of Organisms • Factors Affecting Abundance and Biomass of Organisms • Methods for Quantifying Organisms

  11. Soil Organic Matter • Carbon Cycle • Decomposition of organic matter in Soils • Factors that Affect Decomposition • Formation and Nature of Humus • Role of Organic Matter in Soils Properties • Management of Soil Organic Matter

  12. Nitrogen Dynamics of Soils • Influence of Nitrogen on Plant Growth • Nitrogen Fixation • Distribution of Nitrogen (N-Cycle) • Nitrogen Transformations • Fate of Nitrogen in Soils • Nitrogen Fertilizer and Management

  13. Sulfur Dynamics in Soils • Sulfur Cycle • Sources of Sulfur • Behavior of Sulfur Compounds • Sulfur Management • Conclusion

  14. Soil Phosphorus • Role of Phosphorus in Plant Nutrition • The Phosphorus Cycle • Phosphorus and Environmental Quality • Forms of Phosphorus in Soils • Management of Phosphorus

  15. Potassium Dynamics in Soils • The Potassium Cycle • Forms of Potassium in soil • Availability of Potassium in soil • Potassium Management of soils

  16. Micronutrient Chemistry and Management • Role of Micronutrients • Cycling of Micronutrients • Sources of Micronutrients • Deficiency versus Toxicity • Management of Micronutrients

  17. Fertilizers & Fertilizer Management • Factors Affecting Fertilizer Use • Types of Fertilizers • Fertilizer Analysis • Fertilizer Application methods • Fertilizer Timing and Ingredients

  18. Chemical Pollution and Soils • Toxic Chemicals • Kinds of Contaminants in Soils • Behavior of Contaminants in Soils • Remediation of Contaminated Soils

  19. Soil Erosion and its Control • Significance of Soil Erosion • Water Erosion • Wind Erosion • Soil Conservation

  20. Introduction to Geographic Information System • Soil Variability • Soil Surveys and Mapping • Remote Sensing • Geographic Information System (GIS)

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