Extension and Advisory Work Agricultural Economics 9 Policy and Planning 7 Social Psychology and Social Anthropology, (New March 2000) 7 Innovation adoption 5 Research 5 Technology transfer 5 more ... Economic aspects 4 Extension 4 Aid, (New March 2000) 3 Case studies 3 Socioeconomics 3 Soil conservation 3 Agricultural development 2 Agroforestry 2 Agroforestry and Multipurpose Trees: Community, Farm and Social Forestry 2 Animal Husbandry and Production, (New March 2000) 2 Diffusion of information 2 Education and Training 2 Erosion: Soil and Water Conservation 2 Farming systems 2 Forest policy 2 Forestry Economics, (New March 2000) 2 Government policy 2 Laws and Regulations 2 Management 2 Natural Resource Economics, (New March 2000) 2 Plant Breeding and Genetics 2 Plant breeding 2 Policy 2 less ...