Lesson 9: Know your weeds – the two types Quiz

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What is it about digging that encourages weeds to grow and regenerate?

1 point

Tools hitting the weed seeds awakens them from dormancy

Breaking up the soil gives the weeds the fresh air they need to grow

The soil is left in a state of shock, and weeds help recovery

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You need to dig out all perennial weeds from your plot or garden, before starting no dig.

1 point

True

False

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Why is bramble (Rubus fruticosus) one of the few perennial plants that is best removed before mulching?

1 point

The mulch acts an an accelerant to growth

It makes strong, woody growth which can push through the mulch

The roots are too deep

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Dandelion (Taraxacum officinale) must be removed by hand, as the roots can survive under mulch for many years.

1 point

Bindweed (Calystegia or Convolvulus)

Stinging nettle (Urtica dioica)

Dock (Rumex of either type)

Ground elder (Aegopodium podagraria)

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Which statement is false?

1 point

You can grow plants in compost mulches, while perennial weeds are dying underneath

Annual weeds need a year of light exclusion to die

Bindweed can be cleared within three years

Couch grass can be cleared in year one

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How do annual weeds reproduce?

1 point

By their roots spreading to make new plants

By seed dispersal

By shedding leaves to make new plants

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Once the initial no-dig mulching of weeds has happened, where do annual weeds come from? Choose two answers.

1 point

From roots coming under the neighbour's fence

From seeds in new mulches

From their roots left in the soil

From seeds blowing in

Groundsel (Senecio vulgaris) has roots that can be left in the ground, if the main stem is twisted out and fully detached from the root system

1 point

True

False

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What’s the most time-saving way to stay clear of weeds?

1 point

Take on the weeds once every six weeks

Weed little and often

Learn to tolerate weeds

Allow weeds to provide ground cover

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