Water in agriculture Irrigation 2 Soil Water Management (Irrigation and Drainage), (Revised June 2002) 2 Water Resources 2 Water management 2 Crop production 1 Crop yield 1 Crops and water 1 Dry farming 1 Ecology 1 Horticulture 1 Hydrological cycle 1 Irrigation farming 1 Meteorology and Climate 1 Natural Resource Economics, (New March 2000) 1 Plant Production 1 Plant Water Relations 1 Policy 1 Policy and Planning 1 Rain 1 Scaling 1 Water harvesting 1 Water resources 1 Water resources development 1 Water use 1 Water use efficiency 1 Water-Supply, Agricultural-Environmental aspects 1 Watershed management 1