With the continued strength of the Chinese herbal medicine industry, planting Chinese herbal medicines has become a major channel for farmers to increase their income. Reasonable planting method is the key to the success of the cultivation of Chinese medicinal materials, and reasonable harvest time and methods are the key to the yield and quality of Chinese medicinal materials. I think the focus should be on the following aspects: First, harvest time. The reasonable time for harvesting should be based on the principle of optimizing the quality of medicinal materials and maximizing yield. The total amount of active ingredients = total amount of medicine / active ingredient content per unit area (c%). The second is that harvesting sites have different harvesting periods. Roots and rhizomes are mostly harvested at the end of autumn and early spring or when the growth of plants ceases, and flowering leaves are used for dormancy. At this time, the nutrients of the plant body are mostly stored in the roots, the texture of the roots is firm, and the nutrient consumption is low; the bark and root bark are mostly harvested at the turn of spring and summer, at this time the growth is vigorous, the nutrients in the skin are sufficient, the juice is numerous, and the skin is It is easy to separate from xylem; stems are generally harvested in autumn and winter; leaves and grasses, and leafy plants are the most prosperous. When the leaves are green or flowers are full and the fruit seeds are not yet mature, the photosynthesis is the strongest. The corresponding effective ingredients are more; all the herbs are lush and the flowers are harvested when the flowers are first opened; the flowers are usually harvested when the pods are to be released. At this time, the flowers are rich and medicinal; the fruits and seeds are generally much closer to the fruits. Harvested when mature or mature, seeds are harvested after they are fully mature. The third is to pay attention to several issues. In different regions, the harvesting period is not the same; on the premise of not affecting the quality of medicinal materials, the number of harvesting can be increased; harvesting is carried out in the year of the year, harvesting is conducted in the second year of the second year, and is perennial, depending on the circumstances. The use of multiple parts of the same plant as a medicine to take into account the maturity of the fruit, taking into account the comprehensive utilization of non-medicinal parts. The fourth is the harvesting method. Harvesting, harvesting, picking, stripping, cutting, etc. are used for harvesting. (Source: Benxi Agricultural Network)
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