Efficient facility cultivation method for green asparagus

The invention discloses an efficient facility cultivation method for green asparagus, and relates to the technical field of green asparagus cultivation, and the method specifically comprises the following steps: S1, seed selection; s2, seed soaking; s3, seedling raising: after a seedling raising tray is cleaned and disinfected, holes of the seedling raising tray are filled with a nutrient medium to the position 1 cm away from the holes, the green asparagus seeds in the step S2 are sown on the nutrient medium, one seed is sown in each hole, then the holes are covered with the nutrient medium till the holes are full, and then the seedling raising tray is placed in a sunlight greenhouse for seedling raising; s4, sowing: deeply ploughing and raking the soil in the sunlight greenhouse, uniformly spraying 1500-fold liquid of 30% hymexazol aqueous solution for disinfection, and standing for 3-5 days; 3, ditching is conducted, yield increasing fertilizer is applied in ditches, soil covering is conducted, then the gre