Land use 86 Land tenure 77 Land reform 66 Environmental economics-- Land economics 63 Economics 54 Land economics 52 Agriculture 45 Land reforms 43 Land 33 History 28 Land Resources 28 Land degradation 25 India 23 Natural resources 22 Rural development 21 Sustainability 21 Land use, Rural 18 land reforms 18 Natural Resource Economics, (New March 2000) 17 Social Sciences 17 Land management 15 Land settlement 15 Watershed management 15 Land Economics 13 Land resources 13 Sociology 13 land 13 Case studies 12 Politics and government 12 Social Psychology and Social Anthropology, (New March 2000) 12