Agricultural Economics 1 Agricultural development 1 Agricultural production 1 Aid, (New March 2000) 1 Animal Husbandry and Production, (New March 2000) 1 Arid zones 1 Biofilters 1 Biological waste water treatment 1 Chemical waste water treatment 1 Community Participation and Development, (New March 2000) 1 Conflict 1 Conflict management 1 Conflict, (New March 2000) 1 Economic systems and theories 1 Extension and Advisory Work 1 General management 1 Grazing 1 Infrastructure (Economics) 1 Intensification 1 LTTE 1 Land tenure 1 Natural Resource Economics, (New March 2000) 1 Natural Resources (General) 1 Natural resources 1 Package programmes 1 Participation 1 Plant Production 1 Prabhakaran, Velupillai 1 Resource management 1 Rural Sociology, (New March 2000) 1