Soil Science

10.

Soils and Environmental Quality

10.1.

Soil's Role in Environmental Health

10.1.1.

Filtering and Buffering Contaminants

10.1.2.

Cycling of Elements

10.1.3.

Regulation of Water Quality

10.2.

Soil Contamination

10.2.1.

Sources of Contaminants

10.2.1.1.

Agricultural Chemicals

10.2.1.1.1.

10.2.1.1.2.

Excess Fertilizers

10.2.1.2.

Industrial Pollutants

10.2.1.3.

10.2.1.4.

Organic Pollutants

10.2.2.

Fate and Transport of Contaminants

10.2.2.1.

Adsorption and Desorption

10.2.2.2.

10.2.2.3.

10.2.2.4.

10.3.

Soil Remediation

10.3.1.

Physical Methods

10.3.1.1.

10.3.1.2.

10.3.2.

Chemical Methods

10.3.2.1.

10.3.2.2.

Chemical Oxidation

10.3.3.

10.3.3.1.

Phytoremediation

10.3.3.2.

Microbial Remediation

10.4.

Soil and Climate Change

10.4.1.

Soil as a Source of Greenhouse Gases

10.4.1.1.

Carbon Dioxide Emissions

10.4.1.2.

Methane Emissions

10.4.1.3.

Nitrous Oxide Emissions

10.4.2.

Soil as a Sink for Greenhouse Gases

10.4.2.1.

Carbon Sequestration

10.4.2.2.

Management Practices for Sequestration

10.5.

Soil Management for Specific Land Uses

10.5.1.

Agricultural Soils

10.5.1.1.

Soil Fertility Management

10.5.1.2.

Erosion Control

10.5.2.

10.5.2.1.

Organic Matter Management

10.5.2.2.

Soil Compaction Prevention

10.5.3.

10.5.3.1.

10.5.3.2.

Contamination Risks

10.5.4.

Wetland (Hydric) Soils

10.5.4.1.

Hydric Soil Indicators

10.5.4.2.

Wetland Restoration and Management

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9. Soil and Water Conservation

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1. Introduction to Soil Science