Certification Electronic data processing personnel 4 Quality controls 3 Computer networks 2 Examinations 2 Forest management 2 Forests 2 Meteorology and Climate 2 Natural Resource Economics, (New March 2000) 2 Physical education and training 2 Plant Pests, (New March 2000) 2 Plant diseases 2 Plant pests 2 Plant protection 2 Silviculture and Forest Management 2 Sustainability 2 Viral, Bacterial and Fungal Diseases of Plants, (New March 2000) 2 Agencies and Organizations 1 Agricultural Economics 1 Agricultural entomology 1 Bananas 1 Behavior analysts 1 Behavioral assessment 1 Biochemistry 1 Biological Resources (Plant) 1 Capital 1 Climate 1 Climatic change 1 Community Participation and Development, (New March 2000) 1 Community involvement 1