Lecture 6
Soil Reaction (pH) and Soil Water

Table of Contents

Soil Reaction (pH) and Soil Water

Tonight

Soil Reaction

pH of Common Materials

Descriptive terms for Soil pH

Soil Pictures

Soil pH vs Soil Type & Depth

Soil pH vs Cation Composition

Soil pH vs Cation Composition

Percent Base Saturation

Formula

pH of Diagnostic Horizons

Impact of soil pH on net charge

Soil pHvs. cations

Dissolution of amorphous Al(OH)3

Buffering Mechanisms (Table 7.6)

Soil Acidity Types

PPT Slide

Nutrient Availability

Acidification

Acidification

Liming soils

Lecture Material

Particle size & pore space

Particle size & pore space

Particle size & pore space

Pores and particles in soils - picture

Soil texture classes - CSSC

Saturated and Unsaturated flow

Capillary rise and capillary retention

Water interaction with clay

Classification of soil water

Matric Potential

Osmotic Potential

Gravitational Potential

Soil Water Potential

Soil Water Potential

Classification of soil water

Soil water potential curves

Water Movement

Darcy's equation

Hydraulic conductivity

Unsaturated flow

Email: ecolson@ualberta.ca

Home Page: http://www.environment.ualberta.ca/SoilsERM/lectures/index.html

Other information:
Lecture 6: Soil Reaction (pH) and Soil Water

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