Lesson 16: Types of compost Quiz

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Animal manure, say one year old or more, can be used as compost for mulching.

1 point

True

False

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Which of these describes mature compost which is suitable for mulching beds? Choose the answer which covers most aspects.

1 point

Colour is more dark than light

Texture is open and crumbly, rather than large, sticky lumps

Most of the original ingredients are not recognisable

The smell is neutral, even a little earthy and pleasant

All of these

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Why should animal manure be mostly decomposed, before being applied as a mulch?

1 point

To increase the nutrients in the mulch

It then holds most nutrients in a water-insoluble form, and is more crumbly – easier for sowing and planting

To remove the smell

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It is not worthwhile to use compost which you know contains many weed seeds.

1 point

True

False

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When buying green waste compost (made from municipal garden waste), which is most worth checking?

1 point

That it contains Christmas trees collected by the local authority

Which recycling centre it’s from

That it has been passed through a 15mm (0.6in) sieve, or finer

That it doesn’t contain any wood

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What do you need to remember about the pH of spent mushroom compost (SMC)?

1 point

That it’s usually neutral and fine for all uses (but check with your supplier)

That’s it’s usually fairly alkaline, and needs to have sulphur added to it

That it’s usually fairly acidic, and must be tested on a small area of garden first

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Can you use wood chips as a mulch on beds and paths? Choose two answers.

1 point

On beds only if decomposed – and mostly like compost – if sowing carrots, or planting salads and small seedlings

No, never

On paths yes, in a thin layer

Which three organisms do I mention as being involved in decomposition of wood?

1 point

Earthworms

Woodlice

Fungi

Millipedes

Nematodes

How do you ensure that woodlice don’t cause damage in your propagating area?

1 point

Keep sowings on the ground

Keep the lights on overnight

Remove decaying wood from the whole area

Keep it dark at all times

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What is the simplest way to discover whether horse manure is contaminated with aminopyralid weedkiller?

1 point

Test it by sowing some peas, beans, potatoes or tomatoes

Smell the manure – it will have a strong chemical smell

You will still be able to see bits of bedding in it

Use a commercial testing kit, even though they are rare and expensive

It will have a darker colour

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