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Soil خاک

These materials are designed to assist vocational instructors, professors, and extension workers in planning and implementing agricultural lessons. Unlike other materials on e-Afghan Ag, these materials assume some prior knowledge of agriculture. For a more practical approach to Soil, please visit the Natural Resource Management tab on the blue bar above.

Material from the Laboratory of Jerry Peters (Purdue) unless otherwise noted.Photo by Michelle Neukirchen

Unit A, Lesson 1: Importance of Soil to Afghanistan

Unit A, Lesson 2:  Overview of Soil Science    

Unit A, Lesson 3:  Soil Horizons 

Unit A, Lesson 4: Soil Formation

Unit B, Lesson 1: Soil Holes

Additional Resources

Provided by USDA

Compost Training (HALC)

Compost Bin Basics

  • Basic Composting English (4 MB) 

Soil Basics

  • General Soil Fertility English (9.9 MB)
  • Soil and Crops English (3.5 MB) 

(Colorado State University)

Unit B, Lesson 2: Soil Minerals

Unit B, Lesson 3:  Properties of Rocks    

Unit C, Lesson 1: Identifying Soil Texture

Unit C, Lesson 2: Calculating Soil Density

Unit C, Lesson 3: Soil Color

Unit C, Lesson 4:  Water and Air of Soil    

Unit D, Lesson 1:  Identifying the pH Changes in Soil    

Unit D, Lesson 2:  Identifying pH Connection With Plant Growth    

Unit E, Lesson 1:  Organic Matter in Soil    

Unit E, Lesson 2:  Important Elements and Nutrients in Soil for Plants    

Unit I, Lesson 1: Understanding the Importance of Managing Soil and Water