Agriculture Agricultura 287 Economic aspects 274 Cattle 213 Ganado 213 Agriculture and state 143 Environmental aspects 63 Research 63 Agriculture - General 39 Earth & Environmental Sciences 39 Government policy 39 Forecasting 35 Produce trade 28 History 27 Social aspects 25 Agricultural Economics 23 Rural development 22 Technology 21 Agricultural industries 20 Agronomy 20 Food 20 Sustainable agriculture 20 Environmental sciences 19 Agricultural innovations 18 Aspect économique 17 Rural conditions 17 Environmental policy 16 Environment 14 Food industry and trade 14 Animal Sciences 13