Class 13b: Soils (pedology) - PowerPoint PPT Presentation

Loading...

PPT – Class 13b: Soils (pedology) PowerPoint presentation | free to download - id: dc424-ZDc1Z



Loading


The Adobe Flash plugin is needed to view this content

Get the plugin now

View by Category
About This Presentation
Title:

Class 13b: Soils (pedology)

Description:

Most productive soil. Alfisols. Significant aluminum (Al) and iron (Fe) Spodosols. Most acidic soil; minerals leached to lower horizon. Soil degradation ... – PowerPoint PPT presentation

Number of Views:223
Avg rating:3.0/5.0
Slides: 23
Provided by: JulieC9
Learn more at: http://www.csus.edu
Category:
Tags: 13b | class | pedology | soil | soils

less

Write a Comment
User Comments (0)
Transcript and Presenter's Notes

Title: Class 13b: Soils (pedology)


1
Class 13b Soils (pedology)
2
What is soil?
  • Not just dirt

3
Soil components
  • Parent material
  • Temperature and moisture

4
Soil formation
  • Bedrock breaks apart into regolith

5
Classifying soils color
  • Color tells you about chemistry

6
Classifying soils texture
  • Size, organization of particles

7
Classifying soils texture
8
Classifying soils structure
  • Arrangement of soil particles

9
Classifying soils structure
  • Porosity
  • Permeability

10
Soil moisture
11
Soil-water balance
  • Warmer temperatures higher ET
  • Higher precipitation higher percolation

12
Soil profiles
13
Soil classification
  • More complicated than climate

14
Entisols
  • Relativey new most recent soils

15
Oxisols
  • Old soils minerals except oxides leached out

16
Aridisols
  • Found in arid environments

17
Mollisols
  • Most productive soil

18
Alfisols
  • Significant aluminum (Al) and iron (Fe)

19
Spodosols
  • Most acidic soil minerals leached to lower
    horizon

20
Soil degradation
  • Forms in 500 years, but can disappear in one

21
Soil degradation
22
Soil degradation
  • Salinization salty soil
About PowerShow.com