Content: Preface to fourth edition vii Acknowledgements xi Conversion tables xiii Pesticide calculation xv Units, abbreviations and symbols xvi 1 Chemical control in integrated pest management 1 2 Targets for pesticide deposition 23 3 Formulation of pesticides 63 4 Spray droplets 91 5 Hydraulic nozzles 125 6 Manually carried hydraulic sprayers 159 7 Power-operated hydraulic sprayers 181 8 Air-assisted sprayers 215 9 Controlled droplet application 245 10 Electrostatically charged sprays 275 11 Aerial application 299 12 Spray drift 337 13 Seed treatment, dust and granule application 363 14 Space treatment by fogging 381 15 Specialist application techniques (injection, fumigation and other techniques) 399 16 Application of biopesticides 411 17 Maintenance of equipment 429 18 Safety precautions 443 19 Equipment for laboratory and field trials 471 20 Selection of application equipment for chemical and biological pesticides 487 Appendix: standards relating to pesticide application 499 Index 503 Colour plate section 1 falls between pages 174 and 175 Colour plate section 2 falls between pages 254 and 255