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Salinisation
Effects of salinity
Managing saline soils
Salinisation - Quiz

Salinisation - Quiz

Answer each question below, then choose Check answers to see your score. You can reveal the correct responses after marking.

1 What does salination mean?

The accumulation of large quantities of soluble salt in soil Going for a sail in a yacht All girl babies will have to be called Sally

2 Salination chiefly occurs...

Through high evaporation rates in dry areas, where salts are not washed away but remain in the soil Along beaches around the coast at low tide In kitchens - particularly when making soup

3 The most important cause of salination in recent times has been...

Widespread irrigation by farmers using water full of salts Wind erosion of salt-bearing rocks Salt deposited by the tsunami of 2004

4 Salinity damages the soil's structure...

By causing the soil particles to collapse, leaving fewer pore spaces By preventing minerals from dissolving Both of the above

5 How does salinity affect plants?

You don't need to add salt when cooking vegetables Most plants grow less well in saline conditions It makes them turn white

6 Saline soils can be improved by...

Providing good drainage Irrigating only with non-salty water Both of the above

7 Is it easy to reclaim saline soils?

Yes Yes, but you must only use horse-drawn ploughs No

8 What can we do to stop salination problems?

Promote good agricultural practice with regards soil and water Go and live somewhere else Spread bicarbonate of soda on soil

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