What soil is isatis root planted with

Generally, some soil with good air permeability shall be selected for planting isatis root, and some farm fertilizer shall be properly applied before planting. Banlangen is generally planted in a large area, so the choice of land is also very important. The plain with strong air permeability or the field with slightly higher terrain will be more suitable, so as to ensure that the accumulated water can be discharged in time. Do not choose some low-lying fields for planting. In such places, the soil is easy to accumulate water, which will affect the roots of plants. 1、 What kind of soil is used for planting Banlangen? Generally, some fields with loose soil, high fertility, relatively deep soil layer and good drainage or places with slightly higher terrain are selected. Do not choose saline alkali land or low-lying fields, which is not conducive to the growth and development of isatis root. Loose land has good water storage capacity and air permeability, but pay attention to timely discharge of excess water in rainy season to prevent root rot. In the dry season, watering can be carried out reasonably and appropriately according to the moisture degree of the soil. Generally, before planting, land preparation and soil turning should be carried out. At this time, some farm manure can be properly applied to mix evenly with the soil to improve the fertility of the soil, which is conducive to the growth and development of isatis root. 2、 How to sow Radix Isatidis, we should first select some plump and healthy seeds for standby. Soak the seeds in warm water at about 45 degrees, generally 3-4 hours. This can kill bacteria and improve the survival rate. Then dry the seeds and sow them. Generally, it is planted in summer and autumn. At this time, the climatic conditions are more suitable. If it is too late, it is not conducive to seed germination. To make a good ridge, and then open a ditch. The interval between the two ditches is about 25 cm, and the depth of the ditch is about 2 cm. Sow the seeds evenly into the hole and cover it with a layer of soil. （BanLanGenYongShenMeTuChongZhi）