Cornus officinalis, also known as Cornus officinalis, Tianmu, Jujube, etc. It is a deciduous tree or shrub of Cornus of Cornaceae. Mature dried fruit is a valuable medicinal material, sweet potato meat, which has the functions of nourishing liver and kidney, consolidating kidney and essence, and is suitable for soreness of waist and knees, nocturnal emission, dizziness and tinnitus caused by liver and kidney deficiency. So what is the management technology of Cornus officinalis?

1. Hole-expanding and soil-cultivating: After planting Cornus officinalis, hole-expanding and soil-cultivating should be carried out in time, the tree tray should be enlarged, and the soil should be enriched, so as to create good soil conditions for roots and increase the range of absorbing nutrients. In the first few years of young tree growth, reaming and soil improvement should be carried out at a depth of 30~40 cm outside the hole.

2. Reasonable interplanting: Short-stem crops, green manure crops or other herbs can be interplanted between rows within 3-4 years after planting, but the density should not be too high.

3, intertillage weeding: Cornus officinalis can be intertillage weeding 2~3 times a year according to the situation in the first 3 years after planting. The garden with comprehensive layout can be combined with intercropping crops, and care should be taken not to harm young trees and roots during operation.

4. Timely fertilization: Cornus officinalis should be fertilized reasonably and timely according to its growth habits, growth dynamics and fruit yield, and pay attention to the coordinated application of organic fertilizer, chemical fertilizer, nitrogen, phosphorus and potassium fertilizer, soil fertilization and foliar spraying.

5. Shaping and pruning: After planting Cornus officinalis, shaping and pruning can adjust the tree shape, improve the utilization rate of space and light energy, and adjust the balance between various parts of the tree, so as to achieve the purposes of early fruiting, multi-fruiting, stable production and high quality, and increasing economic benefits.

6. Timely flower thinning: Cornus officinalis spends a lot of flowers, consumes a lot of nutrients, reduces the fruit setting rate, and causes the phenomenon of big and small years. Therefore, in the new year, in addition to pruning in winter and controlling the amount of flowers, flowers can be thinned in March.

In addition to the above, reasonable irrigation is needed. After planting Cornus officinalis, it should be watered in time during the flowering and young fruit period, or when the weather is dry in summer and autumn, so as to keep the soil moist, ensure the survival of seedlings, and prevent the drought from falling flowers and fruits, resulting in reduced production.