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Biological control

The Day of the Knotweed

by Sam Knight,

Battling Britain’s most destructive invasive plant

Garden club notes

by Larry Sheehan,

Fighting bugs organically

Of mites and men

by William Tucker,

In which scientists and environmentalists argue about the right way to kill insects

Mice and men

by Julian Huxley,

Breeding beneficial insects

by H.A. Crafts,