Delaware County District Library
Biological control
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http://bibfra.me/vocab/lite/Topic
Label
Biological control
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5
Noxious weeds + Biological control
Weeds + Biological control
Insect pests + Biological control
Garden pests + Biological control
Invasive plants + Biological control
Sub focus of
7
Noxious weeds + Biological control
Weeds + Biological control -- Handbooks, manuals, etc
Invasive plants + Biological control
Garden pests + Biological control
Weeds + Biological control -- Juvenile literature
Garden pests + Biological control -- Dictionaries
Insect pests + Biological control
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