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What are the planting methods and precautions of Xianju Pill Black Pine?
Planting method of black pine

Cultivation environment: Black pine is cold-resistant and drought-resistant. Chen Fang can be planted on slopes, balconies and terraces in the courtyard all year round, where there is plenty of sunshine and ventilation. But small bonsai should not be exposed to strong light in midsummer. You can spend the winter in the open air in winter, and it is best to bury the basin in the lee of the sun. If the room temperature should not be too high, it is not suitable to spend the winter indoors, and Tomb-Sweeping Day can be moved outdoors.

Watering: Black pine prefers dry to stagnant water, and cannot be over-watered. Only when it is dry can it be watered thoroughly. Proper water control during the growth period can make the branches short and the needles short, and increase the ornamental value. When it is hot in summer, you can often spray foliar water, which is beneficial to growth.

Fertilization: Black pine is barren-tolerant, and the soil is deficient in fertilizer, which can also grow normally, promoting short stems, dense branches and short leaves. However, proper application of 1~2 times of thin decomposed cake fertilizer during the growth period is beneficial to healthy growth and increase the ability to resist pests and diseases.

Pruning: In order to maintain its elegant and simple tree shape, the black pine bonsai should be pruned appropriately, and the pruning should be mainly based on picking buds during the growing period, with an average of 3~4 times a year. When the new bud is elongated but the needle has not been drawn, each terminal bud can take about 65,438+0/2. If bonsai doesn't need long branches, the top buds can be picked. For the branches that affect the beauty of the tree, they can be pruned during dormancy.

Pot turning: Generally, the pot of black pine bonsai is turned once every 3-5 years, preferably in February-March. When turning the pot, all the original pot soil should be poured out, and 1/2 old soil should be removed, too long roots, dead roots and rotten roots should be cut off, and some unnecessary branches and leaves should be trimmed at the same time to keep the pot soil balanced up and down. If the capacity of the original pot is not enough, it can be replaced with a slightly larger new pot, and the planting method is the same as that of the upper pot.

Matters needing attention of black pine

Black pine has good greening function and strong environmental adaptability, and is the first choice for barren hills and garden greening seedlings. But in order to better improve the survival rate of Pinus thunbergii seedlings, we need to pay attention to the following points:

1. Before transplanting, the seedlings of Pinus thunbergii were excavated manually. Before excavation, first explain the requirements of excavation and specific operating procedures to the workers to prevent accidents and unnecessary losses during operation. When operating, draw a circle with the root and trunk as the center and the straw rope as the radius. Clean the surface before digging, and the thick heel must be leveled when digging. Use tools to make the soil lump into a frustum-shaped soil ball with a big top and a small bottom. The width of the waist rope in the paddock depends on the soil ball. Transplanting is mainly packed with soft materials, which is suitable for round soil ball stumps. Generally, we mainly use straw rope for dense winding of soft materials.

2. The suitable time point should be selected for transplanting black pine seedlings, and the root regeneration ability of black pine seedlings should be mainly considered. It is necessary to transplant with large soil balls. Only the soil is frozen, and the soil is not easy to be broken during excavation, loading and transportation, which can minimize root damage. Therefore, frozen soil balls are generally used for transplanting during the dormant period of black pine, that is, when the soil is frozen in winter.

3. If the wound caused by Pinus thunbergii during transplantation needs to be treated with appropriate drugs, it should be planted as soon as possible after transplantation.