lesson
Soil Salinization from Prolonged Irrigation in the Southwest
Demonstrate how continuous irrigation in hot, arid Southwestern river valleys causes salt buildup in agricultural topsoil.

Demonstrate how continuous irrigation in hot, arid Southwestern river valleys causes salt buildup in agricultural topsoil.
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4th Grade · Social Studies · US-MD-SS
6 lessons
Analyze how livestock grazing, chemical application, and land-use changes affect wildlife habitats, pollinators, and regional biodiversity.