Causes of Soil Erosion (Grade 11 NSC Matric Geography): Flashcards

Soil removed faster than it can naturally form

Wind and water

Growing only one type of crop

Removes plants/roots, makes soil easier to erode

20 tonnes soil produces 1 tonne crops

Raindrops loosen soil, washed away uniformly

Water in small channels carries soil down slopes

Deep trenches with steep sides from water concentration

Finest particles lifted high into air as dust storms

Medium sand particles bounce and hop along ground