How to grow the latest Magnolia officinalis

Magnolia officinalis is a tree belonging to Magnolia, which can grow up to about 20 meters tall and is also known as Wenpu. At present, it is mainly planted in Sichuan, Hubei and other places in China. It is one of the wild plants protected by the second class of the country. Magnolia officinalis is also a traditional Chinese medicine, mainly refers to the bark of Magnolia officinalis tree. It can be used to treat food stagnation, abdominal distension, constipation, dampness in the middle energizer, abdominal distension, vomiting and diarrhea, phlegm stagnation and qi inversion, chest fullness, asthma and cough. So how do you plant the bark? Let's take a look at it together.

1. Soil preparation and bed preparation

Magnolia officinalis is now a very precious plant, so it is relatively high requirements for planting environment. Cultivation is generally loose soil, soil pH moderate, rich in humus sand or loam can be. Do not plant in heavy clay or poorly drained soils. Generally, soil preparation is carried out in autumn and winter, deep ploughing of the land, and then ploughing again after thawing in spring to clean up impurities in the soil and spread a layer of organic fertilizer or farm manure as base fertilizer. After spreading the base fertilizer, turn the soil again, turn the base fertilizer into the soil, level it into a bed, the width of the bed is generally about one meter to one meter five, and the height of the bed is about ten to fifteen centimeters.

2. Breeding methods

Magnolia officinalis propagation methods have three kinds, respectively, seed propagation, layering propagation, cuttage propagation. But at present its layering propagation and cuttage propagation technology is not perfect, the most commonly used or seed propagation method. Sowing time is generally around the end of February to mid-March each year. Soak the seeds in water for one or two days before sowing, then remove the water with a pull rod and soak them in strong tea for another one or two days. After the seeds are treated, they are sown in a drill, with rows spaced about 25 to 30 centimeters apart and plants spaced about 5 to 10 centimeters apart.

3. Afforestation and transplanting

When the Magnolia seedlings grow to 35 to 40 centimeters tall, they can be transplanted. The growth time of post-supplement is longer, and it needs to be transplanted many times during its whole growth process. Generally, the density of initial transplanting is one meter between rows and about 80 centimeters between plants. The final planting density is about four to five meters apart, and the row spacing is about six to eight meters.

4. Post-management

The management of the later period is actually relatively simple. When Magnolia officinalis is still a seedling, we should often carry out intertillage and weeding to increase soil permeability and reduce nutrient consumption, and we also need to set up shade sheds. At least once or twice a year, topdressing should be carried out in combination with watering, but attention should also be paid to drainage, so as to avoid root rot when there is more rainfall. At least two times a year to carry out intertillage weeding, and more than five times a year to cultivate soil loosening. Topdressing is mainly based on farm manure, and timely pruning of magnolia branches and leaves to promote its growth, and keep the trunk straight.

5. Disease and pest control

There are many common pests and diseases in the planting process of Magnolia officinalis. Among the most common diseases are leaf blight,

Root rot and stem blight are generally caused by improper field management. Bordeaux mixture, antibacterial emulsifiable concentrate, or metasyl or cyprodinil can be used to control the disease. The most common pests are brown longicorn beetle, brown thorn moth and termite, etc., which can be poisoned with dichlorvos, trichlorfon or mirex powder respectively.

Wild magnolia bark is a kind of living creature protected by the state, so if you want to plant magnolia bark for sale, you also need state approval. I believe that everyone has a certain understanding of the planting of Magnolia officinalis through the above, and Xiaobian hopes to help more people.