North-South direction is adopted, with the row spacing of 4m and the plant spacing of 2-4m. It is better to plant trees for three or four years, put them into production quickly, and cover them in the second year after planting.

(2) Planting techniques

The planting ditch is 0.8 ~ 1m deep and 0.6~0.8m wide, and the bottom of the ditch is connected with the waist ditch. When planting, lay a layer (20cm) of straw or branches at the bottom of the ditch, then cover the soil and apply organic fertilizer (4 ~ 5t per 667m2). The upper layer is covered with loose soil and can be planted according to plant spacing.

(3) shaping and pruning

The tree is open, with three main branches and a fixed trunk height of 60 ~ 80 cm. The height of the control tree is1.8 ~ 2.0m. ..