Agriculture Food industry and trade Economic aspects 38 Food supply 14 Congresses 12 Produce trade 9 Agricultural industries 6 more ... Case studies 5 Food 5 Agriculture and state 4 Energy consumption 4 Farm produce 4 Periodicals 4 Statistical methods 4 Addresses, essays, lectures 2 Agricultural innovations 2 Bibliography 2 Dictionaries 2 Energy conservation 2 Forecasting 2 Genetic engineering 2 Government policy 2 Marketing 2 Nutrition 2 Prices 2 Security and advancements 2 83.66 agricultural economics 1 Agricultural ecology 1 Agricultural engineering 1 Agricultural pollution 1 less ...