Planting techniques of Radix asparagi

Radix Ophiopogonis is the root of Tianmeng, is one of the commonly used traditional Chinese medicine, has high medicinal value, has the effect of nourishing yin and clearing heat, moistening the lung and kidney, has excellent antibacterial effect, long-term consumption can improve the immunity of the human body. So how to plant it in Tiandong? Let's take a look.

1. Land selection and preparation

It generally grows on the edge of mountain forest, grass or shrub, and it is best to choose under-forest cultivation, farmland cultivation and intercropping of high-stem crops such as corn. Turn the soil 30 cm deep before planting, remove weeds and residual plants, apply rotten barnyard manure 2500-3500 kg per mu, shape and rake flat, make a high bed, wait for planting.

2. Methods of reproduction

There are two propagation methods: seeds and ramets. Seed propagation can be sowed in spring or autumn. Ditches are made on the border surface according to the row spacing of 20-40 cm, and the seeds are evenly sown into the ditch, generally using seeds of 10-12 kg per mu. After sowing, cover with compost or plant ash, cover the soil level with the border surface, and then cover with a layer of rice straw to keep warm and moisture. under the condition of suitable temperature and humidity, seedlings can emerge in about 20 days. the cover grass should be removed in time after emergence and transplant after one year of cultivation. When picking, the mother plant with large root head and strong bud head is selected and divided into several plants. Each section is required to have more than three bud holes. The wound is smeared with plant ash and placed in a cool and ventilated place to dry for one day.

3. Field management

After transplanting, weeding should be carried out in time, so that there are no weeds in the field, and it should not be too deep every time, so as not to harm the root system and tuber and affect the growth of the plant. When the stem of the plant grows to 50 cm, it is necessary to build a support in time for its vine winding growth to facilitate management and stem and leaf growth. After thawing in spring every year, 2500-3000 kg of barnyard manure should be applied per mu, combined with loose soil, mixed evenly with soil, and thin manure should be applied once in summer.

4. Diseases and insect pests

The disease of Tiandong is very few, so it can be controlled by conventional methods; the pest is mainly red spider, which usually occurs in June, which mainly harms the leaves of the plant, and seriously causes the leaves to wither and fall off, affecting the normal growth of the plant. In winter, attention should be paid to clearing the garden, burning or burying the residual branches and leaves, reducing the source of insects, spraying stone-sulfur mixture once a week, and the effect is better.

The above is the introduction of Tiandong's planting technology, hope to help you, want to know more related knowledge, please pay attention to us.