Explain the functional differences between a disc plough and a mould board plough. (8 marks)

Disc plough

Mouldboard plough

Can be used in the field with obstacles

Cannot be used in field with obstacles

Ploughs at varying depth

Ploughs at a uniform depth

Leaves a rough field

Leaves a clean field

More secondary operations required

Fewer secondary operations required

Requires less power to pull

Requires more power to pull

Not easily broken by obstacles

Easily broken by obstacles

Works well in the sticky soils

Does not work well in sticky soils

Does not require constant replacement of parts

Requires constant replacement of parts especially the share