Planting time of Radix Isatidis how long is the growing period of Radix Isatidis

With the development of technical conditions, the planting conditions of Radix Isatidis have been gradually improved, but the ultimate goal of planting Radix Isatidis is to make a profit, so the planting mode of profit maximization is the planting mode that growers need, and profit maximization is ultimately based on conforming to the law.

Planting time of Radix Isatidis

The sowing season of Radix Isatidis is different, the products harvested are also different. According to the sowing time of Radix Isatidis, it can be divided into four stages: autumn sowing, early spring sowing, spring sowing and summer sowing. Autumn sowing and early spring sowing are mostly for the purpose of harvesting seeds, the roots of Radix Isatidis planted in these two periods can not be used as medicinal materials; summer sowing is suitable to be used in the areas with long plum rain season in the south, this method can reduce diseases and insect pests, but the yield is low. Radix Isatidis sown in spring can harvest both leaves and roots, and the yield is higher, so it is the most commonly used method.

How long is the growing period of Radix Isatidis

The growth period of Radix Isatidis is about 8-9 months.

Sowing method of Radix Isatidis

1. Soil selection: Radix Isatidis is a deep-rooted plant, suitable for warm and humid climate, drought and cold resistance, fear of waterlogging, easy to rot roots after flooding, general soil can be planted, but it is best to choose land with loose soil and good drainage.

2. Soil preparation and fertilization: the planting land of Radix Isatidis combined with deep ploughing and reasonable fertilization, applying farm manure 3000kg / mu, diammonium 15kg, biological potash fertilizer 4kg, sprinkling it evenly into the ground and turning it more than 30cm deep, and then making a flat bed 1 meter wide.

3. Sowing time: Radix Isatidis is suitable for spring sowing in the north and should be sowed late at the right time. If the sowing time is too early, bolting and flowering early, not only the yield will be reduced, but also the quality of Radix Isatidis will decline, and the most suitable time is April 20 to 30.

4. Sowing method: before sowing, the seeds of Radix Isatidis were soaked in 40-50 ℃ warm water for 4 hours, then removed and mixed with plant ash. After trenching on the border, the seeds were evenly scattered in the ditch, slightly suppressed after covering the soil, properly watered and moisturized, and the suitable temperature was 7-10 days.

Planting Prospect of Radix Isatidis

Radix Isatidis is one of the commonly used bulk traditional Chinese medicine in China, which has the effect of clearing heat and detoxification, cooling blood and promoting pharynx. Radix Isatidis has the most obvious antiviral effect, and it is a good medicine for the prevention and treatment of epidemic diseases such as influenza, mumps, Japanese encephalitis and infectious hepatitis. Therefore, in history, whenever an epidemic or disease is found in various places, there is Banlangen. Since China's reform and opening up in the last century, the market of Banlangen has fluctuated greatly under the influence of various factors, such as the outbreak of infectious hepatitis in Shanghai in 1987. Banlangen soared from 2 yuan (kg price, the same below) to a high price of 22 yuan; the second time was Guangzhou, where the epidemic was most serious during SARS in the spring of 2003, and rose to more than 100 yuan when it was high. The third time was when bird flu occurred in some parts of China in 2005, and Banlangen was mainly used in the prescription. It is not difficult to see that the brilliant history of Banlangen is closely related to the sudden epidemic situation.

Due to the obvious antiviral effect of Radix Isatidis, new products have been introduced in recent years, and the sales volume of Radix Isatidis has been increasing. The annual sales of Radix Isatidis (except SARS in 2003) has been about 15000 tons in recent years. The drugs with Radix Isatidis as the main raw materials are: Radix Isatidis granules, Radix Isatidis injection, Radix Isatidis syrup, Radix Isatidis tablets, Radix Isatidis buccal tablets, Radix Isatidis tea and so on, among which Radix Isatidis granules are well known. it is cheap, convenient to take, obvious effect, no side effects, is a good medicine to prevent colds in the early spring, autumn and winter, and has a huge sales volume.

Radix Isatidis is also widely used in veterinary drugs. with the continuous development of China's aquaculture industry, various diseases of livestock occur frequently, such as bird flu this year. The antiviral effect of Radix Isatidis is obvious, and the annual sales volume in veterinary use is more than 2000 tons.

In addition, Banlangen has been abandoned or reduced substantially since 2004, which is mainly due to two reasons: one is that under the influence of national preferential policies such as rising grain prices and direct subsidies for growing grain, farmers have abandoned medicine to grow grain, and the area of planted medicinal materials has decreased year by year; second, the price is extremely high when Banlangen is brilliant, and it is difficult for prices to fall in bad markets, and the price changes are dramatic, sudden and slow. In addition, Radix Isatidis is prone to discoloration, oil and insects, so it is difficult to store for a long time. As a result, producers and operators will miss the opportunity every time of price fluctuation, especially the farmers in the producing area will be hit hardest.

In view of the above reasons, people in the pharmaceutical industry predict that the development of Radix Isatidis has broad prospects. Hope to seize the favorable opportunity to develop the planting of Radix Isatidis according to the GAP standard.

Radix Isatidis is a kind of medicinal material with large market demand at present, and it is also a commonly used bulk medicinal material in our country, so at present, planting Radix Isatidis can make a relatively good profit under general conditions, and in the future, the development prospect of Radix Isatidis is still broad.