(b)
In recent years some hedgerows have been replanted.
Ground beetles, which are unable to...
(b)
In recent years some hedgerows have been replanted.
Ground beetles, which are unable to fly, are predators of
crop pests. The beetles overwinter in the shelter of
grasses at the base of the hedgerow. In some
Strip of
large fields, a permanent strip of grass is left as grass
shown in the diagram.
Suggest and explain the advantage of leaving the strip of
the middle of the field.
grass in
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