lesson
Mechanized Tractors, Deep Plowing, and Native Grass Removal
Examine how gas-powered tractors and deep plowing destroyed protective native sod across the southern Great Plains.

Examine how gas-powered tractors and deep plowing destroyed protective native sod across the southern Great Plains.
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6th Grade · Social Studies · US-NJ-SS
7 lessons
Analyze how expanding agriculture into marginal lands and adopting ineffective farming practices transformed rural ecosystems and set the stage for severe environmental degradation.