Topic:
Gully Erosion
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Gully Erosion
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Gully erosion is the removal of soil along drainage lines by surface water runoff
･ 1 Prevent gullies before they arise. This is much easier than attempting to control them once they've... ･ 2 Rotate crops, maintain cover vegetation and riparian buffers, recycle organic matter back into the... ･ 3 Fully inspect any exist...
Students investigate the cause of gully erosion through experimentation. They use a tray filled with sand, rocks, dirt and cotton wool that simulates tree roots. Blue food dye can be used to colour the water which is then poured carefully s...
