When will Houttuynia cordata (folded ear root) be planted? When is the best season to eat? What are the effects? (with planting technology)

Houttuynia cordata Thunb, also known as Herba Houttuyniae, Herba Houttuyniae, also known as Herba Houttuyniae, is also called Herba Houttuyniae, Herba Houttuyniae, which can be seen everywhere in the past. Houttuynia cordata Thunb is a traditional Chinese medicine for both medicine and food. In recent years, the demand for Houttuynia cordata Thunb is growing rapidly, and the price is rising continuously. More and more medicine farmers pay attention to its cultivation. What are the prospects for the cultivation of Houttuynia cordata?

Houttuynia cordata Thunb is a perennial herb of the family Houttuyniaceae and medicinal vegetables. It is about 30 cm high in nature and can reach 60 cm to 80 cm under artificial cultivation. The underground stem nodes take root, the leaves are alternate ovate, and the petiole base is sheathlike clasping. Flowers small, yellowish or white, spikes terminal, fruit subglobose. Houttuynia cordata is cold and cold, with the effects of clearing heat, detoxification, clearing inflammation, diuresis and so on. In the past, it was mostly used as Chinese herbal medicine. With the development of food scientific research, it has been further found that it is still a very valuable health vegetable. According to the determination and analysis of relevant domestic departments, the fresh stems and leaves of Houttuynia cordata Thunb not only contain a considerable amount of protein and carbohydrates, but also rich in vitamins, amino acids, calcium, phosphorus, iron and other essential nutrients, especially quercetin and other health substances. Therefore, it is a kind of plant resource with great development prospect for both medicine and vegetable.

Planting Prospect of Houttuynia cordata Thunb

Houttuynia cordata Thunb is widely distributed in the provinces and regions of southern China, as well as in the northwest, North China and Xizang. In recent years, due to the influence of "returning to nature" and "homology of medicine and food", Houttuynia cordata Thunb is increasingly popular for sale and consumption as a characteristic mountain wild vegetable, wild resources are in short supply, and the market price is high.

In addition, Houttuynia cordata Thunb is also a traditional medicinal plant, which has a bitter cold taste and has the effects of heat-clearing and detoxification, detumescence and purulence, diuresis, etc., it can be used to treat lung pus ulcer, lung heat cough and asthma, hot dysentery, edema, beriberi, urinary tract infection, excessive leucorrhea, carbuncle, sore and so on. Therefore, Houttuynia cordata Thunb often becomes the main medicine related to lung disease and urinary system disease in traditional Chinese medicine prescription.

Houttuynia cordata Thunb can not only be used as a wild vegetable for industrial production, in-depth development and utilization, but also as a medical raw material, processed into western medicine injection or proprietary Chinese medicine, so it has an ideal market prospect at present.

Planting time of Houttuynia cordata Thunb

Houttuynia cordata can be planted all the year round, and can be harvested in winter, spring and early summer. Generally, the best time for planting is around the Beginning of Spring. In winter, the stout underground stem is dug up as a seedling and buried in the loose soil to survive the winter. after sprouting in the spring of the following year, it is dug up and cut into small segments (each section has 2 mi 3 nodes), and then planted. )

It was planted from the end of February to the beginning of March and could be harvested in batches after 3 months of planting. Plant stems and dig underground stems to supply the market in winter; protected cultivation can be planted in January, or Houttuynia cordata cultivated in open field can be moved into greenhouse before frost, and the annual supply can be achieved by the combination of open field and protected land.

When is the best season to eat Houttuynia cordata?

In the cloud, Guizhou and Sichuan belts, they are all eaten after autumn. Now through artificial breeding, we can eat all the year round, but the cultivated ones are not as good as the wild ones, and the wild flavor is more rich. Generally speaking, we in Guizhou like to eat cold salad. It tastes better this way.

Houttuynia cordata Thunb is the best to eat from October to March, which is tender, crisp and delicious. It belongs to the food of winter and spring. It is available all the year round, but except for these two seasons, it is relatively old and can not be eaten, but it can be used to soak the feet and so on. Eating can reduce fire and reduce inflammation.

Planting benefit

It is understood that the general yield of Houttuynia cordata is 2000-2500 kg per mu. If planted well, the yield per mu can reach 3500 kg. At present, the price of fishy grass root on the market is about 10 yuan per kilogram, and the economic benefit is still considerable.

Prices of Houttuynia cordata Thunb on March 2, 2018 are as follows:

Wuxi Chaoyang Co., Ltd. Agricultural products wholesale market-Houttuynia cordata price: 9.19 yuan / kg

Beijing Dayang Road Agricultural and sideline products Wholesale Market-Houttuynia cordata price: 12.50 yuan / kg

The average price of Houttuynia cordata on March 2, 2018 is as follows: 10.85 yuan / kg (down 2.3%)

Cultivation techniques

I. selection of land and land preparation

Houttuynia cordata Thunb likes to avoid drought, in addition to the use of marginal land or wasteland, it is more appropriate to choose dry land or paddy field with convenient drainage and irrigation. Before soil preparation, after ploughing and harrowing, apply organic fertilizer as base fertilizer. Before planting, apply 1500tel 2500kg mature organic fertilizer plus appropriate amount of plant ash (per mu) into the planting ditch as base fertilizer, mix well with the soil, then cover with 3 cm thick crushed mud, after it is ripe (to avoid rotting roots), turn it again, and open it into a low bed 1.3-1.5 meters wide, and then horizontally dig a planting ditch 15 cm wide and 20 cm deep. The distance between grooves is about 25 cm.

II. Seed and seedling collection

Houttuynia cordata Thunb mainly uses underground stems for asexual reproduction. Houttuynia cordata Thunb has two kinds of white stem and red stem, and the red stem houttuynia cordata has a stronger flavor. It is generally suitable to dig up its sturdy underground stem as a seedling in winter and bury it under the loose soil to survive the winter. After sprouting in the following spring, it will be dug up and cut into small segments (each section has 2 Mel and 3 nodes), and then planted.

III. Planting management

Winter planting is planted in January and can be harvested in April, or the aboveground stems and leaves can be harvested first, and the aboveground stems and leaves can be harvested for the second time after topdressing as the root of spring planting. Planted before and after the Qingming Festival in spring. Put a seedling every 6mur8 cm, then cover it with crushed mud 7cm thick, and water it as appropriate. After planting, pay attention to moisturizing and drought prevention. In the case of adequate base fertilizer, there is generally no need to topdressing. When necessary, dung water can also be applied thinly in the prosperous period to promote yield increase and harvest. The key to daily management is to keep the soil moist and do not suffer from drought, otherwise, there will be many roots and poor quality. Pay attention to weeding in the early stage, and there is no need to weed after closing the line. Rare manure was applied once before the seedling height of 5 cm and before sealing. In addition, when the bud just appears, it should be removed as soon as possible, combined with a heart pick, in order to restrain its overgrowth. Houttuynia cordata Thunb diseases and insect pests are very few, and root rot is occasionally seen, which can be controlled by methyl thiophanate solution spray. When the plant height is more than 10 cm, the soil should be cultivated in time to make the underground stem long and white.

IV. Harvest

When the local lower stem reaches more than 30 cm, it can be dug, removed, washed and sold. When the aboveground stems and leaves are harvested, the artificially propagated plants can be harvested when the height is more than 45 cm, and once a year in the south.

5. Keep the seed

When digging, you can leave the ends of tiny underground stems and let them sprout naturally in the field. Sturdy underground stems can also be selected for planting. If it is not dug at that time, the stems and leaves on the ground should be removed to avoid freezing, and it will also be beneficial to store sufficient nutrients, and then be harvested and sold after cultivation the following year.

Efficacy and function of Houttuynia cordata Thunb

The root of Herba Houttuyniae is the root of Houttuynia cordata, which is distributed all over the country. It can be used in medicine, there are heat-clearing and detoxification, detumescence, dehumidification, diuresis and dehumidification, heat-clearing and dysentery, stomach digestion, but also edible, is a common condiment in the south, its leaves can also be eaten, has a very good health care effect.

1. Clearing heat and detoxification

The root of Herba Houttuyniae has the effect of clearing away heat and detoxification. Can be used for heat-toxic ulcers, often with purple flowers, honeysuckle, forsythia and other heat-clearing and detoxifying drugs. It can be used for internal or external use. Therefore, it can be applied to heat-toxic carbuncle, can be taken orally with single decoction, or can be mashed with fresh grass for external application.

two。 Clearing lung and expelling pus

The root of Herba Houttuyniae is an important medicine for the treatment of lung carbuncle. For lung carbuncle cough and vomiting purulent blood and lung heat cough, phlegm yellow and thick and so on. The former is often used with Platycodon grandiflorum, Reed root and wax gourd kernel to strengthen heat-clearing and detoxification, detumescence and purulent effect, while the latter is often used with lung-clearing and expectorant drugs such as Scutellaria baicalensis, Fritillaria and mulberry bark.

3. Diuresis and purulence

The diuretic effect of Houttuynia cordata root is also very good, can make telangiectasia, increase blood flow and urine secretion, so as to achieve the role of diuresis. Therefore, it is used for astringent pain in hot forest urination, and is often used with diuretic drugs such as Aristolochia mandshurica, talc, plantain and so on.

4. Anti-radiation

Houttuynia cordata root has the effect of anti-radiation and increasing the immune function of the body, and without any side effects, it is not only suitable for aircrew, but also for people who are often close to the source of radiation, such as X-ray machines and computer operators.

5. Help quit smoking

The root of Houttuynia cordata also helps to quit smoking. People who want to quit smoking will not want to smoke so much if they drink some strong fishy grass root tea every day. Houttuynia cordata root is a particularly suitable food for smokers. It can detoxify tobacco and clear lung heat. Prepare some sun-dried houttuynia roots and drink some water every day to reduce the damage caused by smoking and prevent chronic pharyngitis, tracheitis and even lung cancer.

Time: 2019-03-20 Click: