This ready to teach presentation for IB DP Environmental Systems and Societies unit 5 part 3 (Soil degradation and conservation) with content, tasks for students, videos and additional links includes:
Soil Fertility and Succession
Human Activities & Soil Degradation
Processes That Take Away the Soil (Erosion by water or wind)
Processes That Make the Soil Less Suitable for Use (Salinization, Acidification)
Human Activities that lead to soil degradation
Overgrazing
Overcropping
Deforestation
Urbanization
Unsustainable Agriculture Practices Threats to Soil and Soil Conservation
Over Irrigation
Monocultures & Pesticides
Excessive use of Fertilizers
Urbanization
Evaluate the soil management strategies of a given commercial farming system and of a given subsistence farming system.
Soil Management Strategies
Cultivation techniques
Wind reduction
Soil conditioning
Improved irrigation
The American Great Plains
The Popoluca Indians
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£5.00