Land use, Rural Planning 33 Agriculture 17 Economic aspects 13 Congresses 12 Environmental aspects 10 Regional planning 9 Land use 8 Rural conditions 6 History 5 Land tenure 5 Rural development 5 Economic conditions 4 Land reform 4 Nature conservation 4 Water quality management 4 Water-supply, Rural 4 Agricultural productivity 3 Bibliography 3 City planning 3 Conservation of natural resources 3 Farms 3 Forests and forestry 3 Housing 3 Land settlement 3 Land subdivision 3 Law and legislation 3 National parks and reserves 3 Natural resources 3 Water resources development 3