Agriculture History Economic aspects 7 Economic conditions 4 Land tenure 4 Agriculture and state 3 Botany 2 Mais ... Capitalism 2 Islam and science 2 Land use, Rural 2 Natural history 2 Science 2 Science, Medieval 2 Agricultural ecology 1 Agricultural industries 1 Colonization 1 Economic history 1 Effect of exploitation on 1 Exploitation 1 Finance, Public 1 Fiscal policy 1 Gross domestic product 1 Industrialization 1 Industries 1 Land use 1 Public domain 1 Regional planning 1 Right of property 1 Rural conditions 1 Rural development 1 menos ...