Knotweed is a medicinal plant with a wide range of medicinal properties and application prospects. Its cultivation technology and economic benefits are as follows:
Planting technology: land selection and land preparation: choose sandy loam or humus loam with deep soil, loose and fertile, and good drainage, and apply sufficient base fertilizer.
Propagation method: Knotweed can be propagated by seeds, rhizomes, and ramets. Seed propagation is sown in April, rhizome propagation takes place in March or September-October, and rametre propagation takes place in spring or autumn.
Field management: timely weeding, loosening soil, fertilization, keeping the soil moist, while paying attention to drainage to prevent water accumulation.
Pest control: regular inspection, find pests and diseases in time control.
Economic benefits: yield and **: The yield of knotweed is relatively high, and it can generally produce about 500-800 kg of dry products per mu. The market** varies by region, market demand, and a variety of factors, but is generally stable.
Planting cost: The cost of planting knotweed is relatively low, and the main input lies in seedlings, fertilizers and manual management. The planting cost per mu is about 2,000-3,000 yuan, which is a relatively acceptable investment range for many farmers.
Economic benefits: According to the current market, the cost of dried knotweed is between 20-40 yuan per kilogram, so the output value per mu can reach more than 10,000 yuan, which is a considerable income.
Market demand: The medicinal value of knotweed is extremely high, and its roots contain a variety of bioactive components, such as flavonoids, phenolic acids, tannins, etc., which have the effects of clearing heat and detoxifying, diluting dampness and yellowing, invigorating blood and removing stasis. These characteristics make knotweed widely used in hepatitis, nephritis, boils, swelling and pain and other symptoms, and the market demand is large.
To sum up, the planting technology and economic benefits of knotweed have certain potential and market prospects. Through scientific planting technology and reasonable management, the yield and quality of knotweed can be effectively improved, and better economic and social benefits can be brought about.