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Acidification
Excessive soil acidity
Recovery from soil acidity
Soil acidity - Quiz

Soil acidity - Quiz

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

1 What measure should you use to find out how acid your soil is?

Put bicarbonate of soda on the soil and see if it fizzes You test the soil pH See which plants like growing in it

2 What is pH (or 'potenz hydrogen')?

A measure of the concentration of hydrogen and hydroxyl ions in the soil solution Where Perennial & Herbaceous plants grow pH is a measure of Plant Height

3 What types of rock weather down into acid soils?

Chalk and limestone Rocks bearing oil and natural gas Granite and rhyolite

4 Which soils are best for resisting a build-up of acid

Loam Clay Sand

5 Which of these methods will counter acidity in soil?

Use lots of water on it Add lime Have a big bonfire on the soil

6 Acid rain affects the soil. Does it come from...

Rain falling immediately after a long period of sunshine Industrial pollutants in the air Plants growing in polluted soil

7 What damage does acid rain do?

In the soil it upsets the supply of nutrients and damages roots Leaf surfaces can be damaged Both the above

8 What can we, as individuals, do to help prevent acid rain?

Use our car less, use less electricty and water Dig our gardens regularly Always carry an umbrella

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