Agriculture Economic aspects History 272 Agriculture and state 204 Economic conditions 190 Rural conditions 90 Food supply 79 more ... Peasants 64 Rural development 60 Land tenure 58 Social conditions 54 Agricultura 52 Environmental aspects 52 Social aspects 45 Agricultural industries 40 Produce trade 40 Economic development 39 Politics and government 38 Agricultural productivity 34 Aspectos economicos 32 Farmers 30 Government policy 29 Land reform 29 Commerce 27 Economic policy 26 Food industry and trade 25 Research 24 Agricultural innovations 23 Land use, Rural 22 Capitalism 21 less ...