Efficient cultivation method and device for sunflowers in dry land

The invention discloses an efficient cultivation method and device for sunflowers in a dry land, and the cultivation method comprises the following steps: 1, preparation before sowing: selecting a land parcel, selecting loam with good texture and strong water and fertilizer retention performance, applying enough base fertilizer, and covering a film; step 2, sowing: selecting an excellent sunflower variety, firstly cleaning surface soil on a film surface to two sides, then punching holes by using a hole digger according to the planting specification and density, manually sowing two seeds in each hole with the sowing depth of 3cm, and performing drip irrigation once during sowing, so that the line spacing is 150-250cm, and the plant spacing is 50-60cm; the method has the beneficial effects that the method is suitable for a dry land sowing mode, and drip irrigation is only performed once during sowing in the whole growth period so as to ensure seedling emergence; the whole film covering has the effects of warmin