Agriculture Economic aspects 364 History 106 Agriculture and state 72 Economic conditions 67 Rural conditions 52 Peasants 49 更多 ... Land tenure 45 Food supply 42 Social conditions 30 Rural development 25 Land reform 21 Agricultural laborers 16 Produce trade 15 Politics and government 13 Social aspects 12 Environmental aspects 11 Economic development 10 Economic policy 10 Capitalism 9 Agricultural innovations 8 Population 8 Rural poor 8 Farmers 7 Food industry and trade 7 Government policy 7 Industries 7 Land use 7 Farms 6 Slavery 6 少 ...