Skip to main content
nounstudy
SLM303

Introduction To Pedology And Soil Physics

This course introduces the fundamental concepts of pedology and soil classification. It explores soil origin, formation, morphological characteristics, and components. Students will learn about soil-forming rocks and minerals, weathering processes, and soil profile description. The course also covers soil survey, mapping, and classification techniques. Furthermore, it examines the properties and management of Nigerian soils, providing a comprehensive understanding of soil science principles and their practical applications in the Nigerian context.

About this course

Difficulty
Intermediate
Study hours
52 hours
Maths
Basic
Content
Theoretical, practical, case study
Practical work
No
Before you start
  • Basic knowledge of biology
  • Basic knowledge of chemistry
  • Basic knowledge of geology
How it is assessed
  • Assignments
  • Tutor marked assessments
  • Final examination

One paragraph, so you can see how it reads

SLM303 · UNIT 2 SOIL FORMATION

4.0 CONCLUSION Soil is the combination of rock, mineral fragments (pieces) made by weathering (wind, rain, sun, snow, etc.), and organic matter (living things), water, and air.

What you should be able to do

  1. Explain the processes of soil formation and the factors influencing it.
  2. Describe the morphological characteristics of different soil types.
  3. Classify soils based on various classification systems.
  4. Conduct soil surveys and create soil maps.
  5. Analyze the properties of Nigerian soils and their suitability for different uses.
  6. Develop sustainable soil management practices for Nigerian soils.

What it prepares you for

Careers
  • Soil Scientist
  • Agricultural Extension Officer
  • Environmental Consultant
  • Land Use Planner
  • Agronomist
Where it is applied
  • Agriculture
  • Environmental Management
  • Land Development
  • Construction
  • Natural Resource Management
Tools
  • Soil testing equipment
  • GPS devices
  • GIS software

Where it gets hard

The units students slow down on, and what makes each one heavy.

  • Module 1: Soil Origin, Formation, Morphological Characteristics and Components

    Unit 5: Soil Components

    Requires understanding of complex chemical and biological interactions affecting soil composition.

  • Module 2: Soil- Forming Rocks and Minerals and Weathering of Rocks and Minerals

    Unit 4: Soil Mapping

    Involves spatial analysis and interpretation of aerial photographs, requiring strong visualization skills.

  • Module 3: Properties and Management of Nigerian Soils

    Unit 5: Management of Nigerian Soils

    Requires integrating knowledge of soil properties, climate, and vegetation to develop sustainable management strategies.

A suggested way through it

Suggested

13 weeks, about 30 hours in total. Yours will differ.

  1. Week 1Module 1: Soil Origin, Formation, Morphological Characteristics and Components
    • Unit 1: Origin of Soil · 2 hours

      Read Unit 1: Origin of Soil, focusing on the definition of soil and its variations.. Identify the ionic forms of plant macronutrients.. Differentiate between minerals and rocks, noting examples from which soils form..

    • Unit 2: Soil Formation · 2 hours

      Study Unit 2: Soil Formation, paying attention to the methods used by soil-makers.. Understand the roles of heat, cold, water, frost, ice, and biological agents in soil formation.. Differentiate between sand, silt, and clay soil types..

  2. Week 2Module 1: Soil Origin, Formation, Morphological Characteristics and Components
    • Unit 3: Soil Morphology · 2 hours

      Review Unit 3: Soil Morphology, focusing on field-observable attributes of soil.. Understand the composition, form, soil structure, and organization.. Examine the use of a petrographic polarizing light microscope in micromorphology..

  3. Week 3Module 1: Soil Origin, Formation, Morphological Characteristics and Components
    • Unit 4: Soil Characteristics · 2 hours

      Study Unit 4: Soil Characteristics, focusing on the four main components of soil.. Understand the ideal soil composition (50% solid material, 50% pore space).. Learn about soil parent materials and their categories..

  4. Week 4Module 1: Soil Origin, Formation, Morphological Characteristics and Components
    • Unit 5: Soil Components · 2 hours

      Study Unit 5: Soil Components, focusing on mineral and organic components.. Differentiate between primary and secondary minerals.. Understand the concept of soil texture and its importance..

  5. Week 5Module 2: Soil- Forming Rocks and Minerals and Weathering of Rocks and Minerals
    • Unit 1: Soil- Forming Rocks · 2 hours

      Read Unit 1: Soil-Forming Rocks, focusing on the formation of soil from weathering rocks and minerals.. Understand the five soil-forming factors and their influence.. Learn about igneous, sedimentary, and metamorphic rocks..

  6. Week 6Module 2: Soil- Forming Rocks and Minerals and Weathering of Rocks and Minerals
    • Unit 2: Weathering of Rocks and Minerals · 2 hours

      Study Unit 2: Weathering of Rocks and Minerals, focusing on physical and chemical weathering processes.. Understand the role of water in chemical weathering.. Learn about carbonation, hydrolysis, hydration, and oxidation..

  7. Week 7Module 2: Soil- Forming Rocks and Minerals and Weathering of Rocks and Minerals
    • Unit 3: Profile Description and Soil Survey · 2 hours

      Study Unit 3: Profile Description and Soil Survey, focusing on soil horizons and their characteristics.. Understand the process of leaching and its effects.. Learn about soil survey components and their importance..

  8. Week 8Module 2: Soil- Forming Rocks and Minerals and Weathering of Rocks and Minerals
    • Unit 4: Soil Mapping · 2 hours

      Study Unit 4: Soil Mapping, focusing on the process of classifying soil types.. Understand the use of aerial photography in soil mapping.. Learn about the information contained in a published soil survey..

  9. Week 9Module 2: Soil- Forming Rocks and Minerals and Weathering of Rocks and Minerals
    • Unit 5: Soil Classification · 2 hours

      Study Unit 5: Soil Classification, focusing on the systematic categorization of soils.. Understand the different approaches to soil classification.. Learn about the orders in the US classification system..

  10. Week 10Module 3: Properties and Management of Nigerian Soils
    • Unit 1: Nigerian Soils · 2 hours

      Read Unit 1: Nigerian Soils, focusing on the types of Nigerian soils and their distribution.. Understand the influence of climate on ecological zones.. Learn about the major rivers and their drainage patterns..

  11. Week 11Module 3: Properties and Management of Nigerian Soils
    • Unit 2: Properties of Nigerian Soils · 2 hours

      Study Unit 2: Properties of Nigerian Soils, focusing on physical and chemical properties.. Understand the relationship between vegetation and climate.. Learn about the four main components of soil..

  12. Week 12Module 3: Properties and Management of Nigerian Soils
    • Unit 3: Profile Description of Nigerian Soils · 2 hours

      Study Unit 3: Profile Description of Nigerian Soils, focusing on the major ecological regions.. Understand the characteristics of the Coastal Swamp Region.. Learn about the Moist Lowland Region and its vegetation..

  13. Week 13Module 3: Properties and Management of Nigerian Soils
    • Unit 4: Classification of Nigerian Soils · 2 hours

      Study Unit 4: Classification of Nigerian Soils, focusing on the USDA Soil Taxonomy and FAO/UNESCO legend.. Understand the hierarchy of categories in the Soil Taxonomy.. Learn about the ten orders and their major characteristics..

    • Unit 5: Management of Nigerian Soils · 2 hours

      Study Unit 5: Management of Nigerian Soils, focusing on maintaining soil fertility.. Understand the importance of crop rotation and green manures.. Learn about the use of farmyard manure and composting..

Preparing for the exam

What to do
  • Create detailed summaries of each unit, focusing on key definitions and processes.
  • Practice identifying soil types based on their morphological characteristics.
  • Review case studies on soil management practices in Nigeria.
  • Develop concept maps linking soil formation factors to soil properties.
  • Solve practice problems related to soil classification and mapping.
  • Allocate study time evenly across all modules, with extra focus on challenging units.
  • Form study groups to discuss and clarify complex concepts.
  • Review all tutor-marked assignments and feedback.
  • Practice answering past examination questions under timed conditions.

Questions students ask about this course

What is SLM303 about?

This course introduces the fundamental concepts of pedology and soil classification. It explores soil origin, formation, morphological characteristics, and components. Students will learn about soil-forming rocks and minerals, weathering processes, and soil profile description. The course also covers soil survey, mapping, and classification techniques. Furthermore, it examines the properties and management of Nigerian soils, providing a comprehensive understanding of soil science principles and their practical applications in the Nigerian context.

How many units does SLM303 have?

SLM303, Introduction To Pedology And Soil Physics, has 14 units across 3 modules, over 81 pages of course material. You can read it one unit at a time.

How many credit units is SLM303?

SLM303 carries 2 credit units, at 300 level in Agricultural Sciences.

Is SLM303 hard?

SLM303 is rated intermediate level, with basic mathematical content. It is mostly theoretical, practical and case study work.

How long does SLM303 take to study?

About 52 hours of study, spread across its 14 units.

How is SLM303 assessed?

SLM303 is assessed by assignments, tutor marked assessments and final examination.

What do I need before starting SLM303?

Basic knowledge of biology Basic knowledge of chemistry Basic knowledge of geology

What can I do with SLM303?

Soil Scientist, Agricultural Extension Officer, Environmental Consultant, Land Use Planner and Agronomist.

More courses in Agricultural Sciences

AEA303

Agricultural Production Economics

2 credit units

Open AEA303
AEM302

Extension Teaching, Learning Process And Methods

3 credit units

Open AEM302
ANP303

Introduction To Animal Products Processing And Preservation

2 credit units

Open ANP303