Hydrological cycle Atmosphere 1 Clouds 1 Costs of water harvesting 1 Development of dry land agriculture in india 1 Drought and agricultural drought 1 Dry farming 1 Methods and techniques of water harvesting 1 Moisture stress and conservation in dry lands 1 Role of water 1 Soil conservation 1 Soil development and survey 1 Soil water relationship 1 Solar radiation 1 Wasteland management 1 Water borne diseases 1 Water in agriculture 1 Watershed management 1 Weather and climate 1