Cultivation method for promoting cost saving, quality improvement and efficiency improvement of winter jujube trees

The invention discloses a cultivation method for promoting cost saving, quality improvement and efficiency improvement of winter jujube trees; the cultivation method comprises the following steps: step 1, turning over of soil and leveling of an orchard are conducted, nutrient absorption efficiency of the soil is kept and the plowing depth is at 40-60 cm, and weeds are removed; 2, ditching and ridging are conducted on the leveled soil surface, the ditching depth is 10-15 cm, the line spacing is kept to be 2-2.5 m, and smooth drainage is kept; 3, planting holes are dug in the ridges, the diggingdepth ranges from 80 cm to 100 cm, hole soil is stacked beside the holes, organic fertilizer is applied into the holes, the fertilizing amount ranges from 25 kg to 35 kg, the hole soil is turned backto the holes, water is added to be evenly mixed with waste, and standing is conducted; and 4, the fruit tree seedlings are planted in spring, the seedlings with the height of 1.1-1.2 m and the base stem diameter of 1-1.5 cm a