How to grow flavescent sophora root

Sophora flavescens, alias Kuhuai, leguminous perennial herbs, medicinal underground roots, with heat, dampness, insecticide, diuretic effect. Sophora flavescens was originally wild, but now it is distributed and cultivated all over the country, with strong adaptability. In the Chinese herbal medicine market is commonly used varieties of medicinal materials, the amount increased year by year, prices rose.

In recent years, the resources of wild Sophora flavescens are less and less, and some places are almost extinct, but the demand is increasing. Around 2000, the price of Sophora flavescens was 4-5 yuan/kg. After 2006, the price continued to rise, rising to 8-10 yuan/kg in 2009 and 12-24 yuan/kg at the beginning of 2014. All over the medicinal materials market are perennial acquisition, the number is not limited, planting prospects are good.

The cost of seed, fertilizer, water and electricity for planting Sophora flavescens is about 500 yuan per mu, the dry product per mu is 700-800 kg, the comprehensive benefit per mu is 5000-8000 yuan, and the average annual income is more than 2000 yuan. The seed yield of Sophora flavescens is about 100 kg, and the demand for Sophora flavescens seeds is increasing continuously. The income from selling seeds per mu is about 1000 yuan.

Sophora flavescens likes warm climate, is a deep-rooted plant, does not require strict soil, general soil can be cultivated, but with deep soil layer, fertile, convenient irrigation loam or sandy loam is better. Hillsides, wasteland and beaches can also be planted. When planting, fully decomposed compost or manure is applied per mu, finely crushed and evenly scattered, or 50 kg of nitrogen, phosphorus and potassium compound fertilizer is added per mu as base fertilizer, deep ploughing and leveling are carried out, and beds are made.

Sophora flavescens seed reproduction, the same method and species beans, can be drilled, can also be broadcast in the wasteland, sub-spring and autumn sowing, autumn sowing before freezing, spring sowing from March to mid-May is good. 4 kg of Sophora flavescens seeds per mu for sowing on flat land and 5 kg of Sophora flavescens seeds per mu for sowing on barren hills are appropriate. According to row spacing 30-45 cm, open shallow ditch, evenly sprinkle seeds, cover soil 1-2 cm, water, keep soil moist, about 20 days to emerge. Seeds can be inflated with blisters before planting, which is conducive to germination. The herbicide pendimethalin can be sprayed after seedling. Seedling height about 10 cm thin seedlings, not crowded is appropriate.

Irrigate in time after drought and fertilization to keep the soil moist. Pay attention to drainage in rainy season to prevent ponding and rotten roots. Seedling to carry out intertillage weeding and cultivating soil, keep the field without weeds and loose soil, moist, in order to facilitate the growth of Sophora flavescens. Sophora flavescens grows vigorously, plant height is about 1 meter, stem upright, can compete with weeds, life is lush.

It usually takes 2-3 years to harvest. At the end of autumn or early spring, the rhizome is dug out and dried to obtain the finished product.