What is the use of Polygonum cuspidatum? Polygonum cuspidatum high yield planting technology
What are the uses of Polygonum cuspidatum? Polygonum cuspidatum is born in hillside shrubs, valleys, roadsides, and Tanabe wetlands. It is mainly produced in Shaanxi, Gansu, East China, Central China, South China, Sichuan, etc. Its root is a yellow dye and can also be used. Medicinal, there are blood circulation, dilated phlegm, pass through, antitussive and other effects. Today, Xiaobian will briefly talk about the high-yield planting techniques of Polygonum cuspidatum, and I hope that it will help everyone.
1. Site selection
Polygonum cuspidatum does not require high soil, but it is not suitable for planting in low-lying areas. After selecting the planting area of ​​Polygonum cuspidatum, the soil will be turned 20-25cm deep to remove the larger stones in the soil, and then 1500-2000 kg of fully-fertilized manure will be applied as the base fertilizer per acre. After fertilization, mix well with the soil layer of 5-10cm, and finally do sorghum, which requires 15-20cm high and 50-55cm wide.
2, breeding methods
In the production of Polygonum cuspidatum, most of the roots are used for breeding, and the rhizome breeding has the characteristics of easy material acquisition, easy transplanting, and quick effect. The specific method is as follows: firstly, the root system of the plant is excavated into several sections, and each section is provided with 2-3 bud eyes, and then planted on the surface of the sorghum to open a hole or ditch, and after planting, the soil can be covered and watered.
3. Field management
After the seedlings are unearthed, we must do the weeding work and combine the weeding to do the cultivating. When the seedlings grow to a certain extent, and time seedlings, replenishing seedlings, increase the ventilation and light transmission between the plants, and at this time, it is easy to induce pests and diseases during this time. Therefore, after planting, the fertilizers should be applied in time according to the fertility of the soil, generally can be collected. Cultivate weeding and chasing quick-acting fertilizer 1-3 times with appropriate amount of trace element fertilizer.
4. Pest control
The knotweed has strong disease resistance, and the base has no disease during the cultivation process. The main pests are chafers and leaf bees. It can be controlled by artificial killing and light trapping, or sprayed with chlorinated dimethoate 2000 times to kill adults.
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