What are the propagation methods for goji berry (Lycium barbarum)? Detailed explanation of the key operation points

I. Site selection and land preparation. Generally, non-farmland is used for cultivation, and loose, fertile, well-drained sandy loam is best. When preparing the land, it is best to apply base fertilizer, then after deep plowing, harrow finely and level, and make beds 1.2-1.5 m wide. On sloping land, drainage ditches can be opened and no beds made.

II. Propagation methods. (1) Sexual propagation. Sowing can be done in spring, summer, and autumn, with a sowing rate of 1-1.5 kg per mu. Open furrows at a row spacing of 40 cm for drilling, with a sowing depth of 1.5-3 cm, and after sowing cover with 1-3 cm of soil. (2) Asexual propagation. Branch cuttings, layering, and grafting can be used for propagation. Cutting propagation is relatively common.

III. Field management. (1) Thinning. When the seedlings are 3-6 cm tall, carry out the first thinning, with a plant spacing of 6-9 cm. When the seedlings are 6-9 cm tall, carry out the second thinning, with a plant spacing of 12-15 cm, leaving 10,000-12,000 plants per mu. (2) Mounding soil. When the young trees grow to about 1 m tall, a mound of soil 50-60 cm in diameter and 20-30 cm high can be piled at the base of the trunk to prevent the tree from falling over and bending. (3) Fertilization. Apply compound fertilizer once in late June and once in early July. For large trees, apply 15-20 kg per mu each time, and for young trees, apply about 6 kg per mu each time. Apply base fertilizer from late October to early November, then carry out winter irrigation. Base fertilizer can use sheep manure, pig manure, barnyard manure, cake fertilizer, etc. (4) Shaping and pruning. After the goji berry is planted, set the trunk at a height of 50 cm above the ground. In the autumn of the same year, select 3-5 thick, strong branches around the upper part of the main trunk as main branches, and cut them back at about 20 cm above the ground.