How to harvest and deal with Eucommia ulmoides?

How to harvest and deal with Eucommia ulmoides? Please introduce the method Eucommia ulmoides is a commonly used traditional Chinese medicine, harvesting with peeling method. The more suitable time for peeling is from June 20 to July 31 in our province. During this period, the climate is suitable, Eucommia ulmoides is easy to regenerate new skin after peeling, and the survival rate is high. When peeling, the upper and lower ends of the peeled part of the tree trunk will be cut with a knife, generally, the upper part is under the first branch, and the lower part is 5 cm above the root neck, and then cut longitudinally between the ring cutting openings, no matter the depth of the ring cutting or longitudinal cutting does not hurt the tough skin. After cutting, pry up the skin on one side of the longitudinal seam with the tip of the knife, then peel it out, and then cut off the skin connected up and down until it is all peeled off. Generally 3-4 days after peeling, the surface is yellowish green, indicating that callus has been formed and new skin can grow gradually. One year after girdling, the thickness of the regenerated new skin reached 5mm. Two years later, the thickness of the regenerated new skin was similar to that of the original skin. In order to ensure the quality of Eucommia ulmoides bark, the bark harvested and peeled should be treated properly. The method is to pick and peel the bark and put it in a ventilated and sheltered place, layer upon layer, covered with hay and pressed to sweat. The bark is hot, and the endothelium changes from white to brown or turquoise, that is, the end of sweating, take out and dry, flatten, and pack. Click to get more planting techniques of Eucommia ulmoides