General 9 Pest control 9 TECHNOLOGY & ENGINEERING 9 Agriculture 8 Plant Pests, (New March 2000) 7 Plant pests 6 Agronomy 5 more ... Sustainable development 5 Biological Control 4 Environmental aspects 4 Food supply 4 Insects 4 Life sciences 4 Natural enemies 4 Pests 4 Plant Breeding and Genetics 4 Plants 4 Social Psychology and Social Anthropology, (New March 2000) 4 Weeds and Noxious Plants 4 Agricultural Economics 3 Animal Ecology 3 Animal Health and Hygiene (General) 3 Animal Husbandry and Production, (New March 2000) 3 Animal welfare 3 Arthropod pests 3 Behaviour 3 Biological control 3 Biological control agents 3 Crop Science 3 Earth Sciences 3 less ...