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Timely harvesting Chinese herbal medicines
Whether Chinese herbal medicines can be harvested at a proper time directly affects the quality of the products. Below, some of the best harvesting time and harvesting plan for some commonly used Chinese herbal medicines are described below for reference. After 2 to 3 years of excavation of Bupleurum chinense, underground root strips are generally excavated after the plants withered in autumn or before germination in spring. Digging after excavation to remove dirt, stems and leaves, dried Serve. In the middle or late October, Banlangen excavated the roots when the aerial shoots and leaves of the plants withered. First, open a 60 cm deep ditch on one side of the ditch. Then carefully dig it forward. Do not injure the root or cut the root. Rehmannia glutinosa to dig in time before and after November, when the shoots and leaves were yellow and spotted. Cut off the stems and leaves first, and then open a deep groove at a depth of 35 cm at one end of the crucible, and carefully dig up the roots one by one. After Scrophulariae was planted in November of the same year, the stems and leaves of the shoots could be excavated. Cut off the stems first, loosen the soil around the rhizosphere, and carefully excavate the root of the roots. You can also use your hands to pull up the whole plant, cut stems and leaves, and remove the roots from the roots. The optimum harvesting period was the flowering period from August to October in the current year and the initial stage of seed maturity, and the harvest yield was high and the quality was good. When harvesting, cut the whole grass on the ground, dry it, or pull up the whole plant, cut off the roots, and dry it as a commodity. In the spring of September-October of the year, the spring planting of the Beisha was planted and excavated when the leaves started to dry in the late September of the following year. The stems and leaves were first removed and the whole plant was carefully excavated. The roots were covered with straw mats to avoid drying. After it is difficult to peel. Atractylodes is suitable for excavation from late October to mid-November. When the plant stems turn yellow-brown and the leaves are yellow, timely excavation. Premature excavation of rhizomes is relatively tender, and the quality of medicinal materials is poor and yield is low. Excavation is too late, lateral buds have sprouted, and the epidermis shrinks after drying to reduce quality. Digging should be selected sunny day carefully dig out the whole root, shake off the dirt, cut stems, not washed with water, shipped back to processing.