Irrigation methods Sprinkler irrigation 5 Check basin irrigation 4 check basin irrigation 2 irrigation pumps 2 irrigation-saline soils 2 sprinkler irrigation 2 Agricultural drainage 1 Application of Mulches 1 Check basin Irrigation 1 Conveyance of irrigation water 1 Deficit irrigation 1 Irrigation efficiency 1 Irrigation pumps 1 Irrigation- Saline soil 1 Measurement of irrigation water 1 Preparation of Herbarium 1 Pumping water for irrigation 1 Seed production of onion 1 Seed production of root vegetable crops 1 Soil-water relationships 1 Sources and storage of irrigation water 1 Storage of water in unsaturated soils 1 Vegetable cultivation 1 Weed management practices 1 soil-permannt wilting point 1