Agricultural Economics 1 Agricultural development 1 Agricultural research 1 Agriculture 1 Agriculture (General) 1 CGIAR 1 Estimation methods 1 Fisheries 1 Food Economics, (New March 2000) 1 Food security 1 Forestry 1 Forestry, Forest Products and Agroforestry (General) 1 Income and Poverty 1 Interdisciplinary research 1 Natural Resources (General) 1 Natural resources 1 Research 1 Resource management 1 Rural Development, (New March 2000) 1 Rural development 1 Semiconductors 1 Social Psychology and Social Anthropology, (New March 2000) 1 Social structure 1 Social values 1 Socioeconomics 1 Sociology 1 Trace analysis 1 range estimates 1