METHODS AUDIO-VISUAL AIDS 1 CANAL REGULATION 1 COMMUNICATION PROCESS 1 CROSS DRAINAGE WORKS 1 DAMS 1 DISTRIBUTION SYSTEM 1 EFFECT OF TILLAGE 1 EFFICIENCY 1 FERTILIZER USE 1 GENERAL ASPECTS 1 GLOBAL WARMING 1 HYDROLOGY 1 IMPORTANCE 1 LIFESTYLE EDUCATION 1 MEASUREMENT 1 MOLECULAR BIOLOGICAL TECHNIQUE 1 MONOCLONAL ANTIBODIES 1 PROBLEMS 1 PROGRAMME PLANNING 1 RESOURCE 1 RURAL SOCIOLOGY 1 SEED 1 SOIL WATER 1 SPILL WAYS 1 SYSTEMS 1 VEGETATIVE 1 VIRAL DIAGNOSTIC LABORATORY 1 VIRUS ISOLATION AND ASSAY 1 WATER REQUIREMENTS 1