Aihe-ehdotuksia
Aihe-ehdotuksia
Biological control
Natural enemies
31
Biological Control
29
Pest control
26
Plant Pests, (New March 2000)
19
Biological control agents
17
Plant pests
17
Insect pests
16
Chemical control
12
Cultural control
11
Environmental Pest Management
11
Insects
11
Plant pathogens
11
Taxonomy and Evolution
11
Insecticides
10
Pathogens
10
Pathogens, Parasites and Infectious Diseases (Wild Animals), (New March 2000)
10
Pesticides and Drugs; Control, (New March 2000)
10
Plant diseases
10
Taxonomy
10
Viral, Bacterial and Fungal Diseases of Plants, (New March 2000)
10
Weeds
10
Insect fossils
9
Integrated Pest Management
9
Animal Ecology
8
Entomopathogens
8
Fungi
8
Insect control
8
Weeds and Noxious Plants
8
Horticultural Crops, (New March 2000)
7
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5Printed Book
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