Agriculture and state 445 Agriculture 255 Economic aspects 178 History 48 Government policy 24 Food supply 23 Land tenure 23 Produce trade 23 Economic policy 22 Rural conditions 22 Congresses 17 Land reform 13 Politics and government 13 Economic conditions 12 Rural development 12 Periodicals 11 Research 11 Case studies 10 Commerce 9 Industrial policy 9 Agricultural prices 8 Commercial policy 8 Agricultural innovations 7 Agricultural laborers 7 Agricultural industries 6 Agriculture, Cooperative 6 Societies, etc 6 Agricultural price supports 5 Food industry and trade 5 Agricultural education 4