In winter, the temperature is low and the water evaporates slowly. Most of the medicinal plants have successively entered the dormant state. At this time, it is the golden season for the cultivation of some medicinal materials. Winter medicinal plants have many advantages such as rapid emergence, uniform growth, strong disaster resistance, and good disease prevention. The following three Chinese medicinal materials are suitable for winter planting.
Chaihu Chaihu is a commonly used bulk medicinal material, historically dominated by the wild, and the contradiction between supply and demand is outstanding. After the 1980s, the family planted Chaihu was fully promoted, and the traditional planting was mainly in spring. Because Bupleurum seeds contain 4 layers of tough epidermis, it usually takes 18-25 days for the seedlings to emerge at temperatures above 20 ° C. For many years, the low germination rate of Bupleurum seeds has become a bottleneck in the development of Bupleurum. Experience shows that planting Chaihu in winter can solve the problem of low germination rate of Chaihu. After the Bupleurum is planted in winter, its tough outer skin gradually changes under the influence of the climate at low temperatures. The expanded Bupleurum seeds are particularly easy to germinate under the sun in the spring.
Platycodon grandiflorum is a commonly used bulk medicinal material, which can be used as both medicine and food. It is distributed in mountainous areas, hills and plains throughout the country. The traditional cultivation of this variety is to use seeds to propagate in the spring and summer seasons. Spread sand on the prepared land and spread it evenly on the soil surface. After raking, the grass can be covered by shaking. The disadvantage is that drought is not easy to emerge, and weeds affect the growth of balloonflower seedlings. After planting the seeds with soil in a certain proportion during the winter planting, the seeds are slightly shaken without covering the grass. The seeds are fully nourished by the snow and rain throughout the winter and come into contact with the ground and begin to swell. Eustoma can emerge after hair. The advantage is that Miao Zhuang, Miao Qi, Miao early.
Atractylodes macrocephala is commonly used as a bulk medicinal material. Generally, the entire growth cycle is two years, that is, one year to raise seedlings and one year to plant commercial atractylodes. The traditional seedling cultivation of Atractylodes macrocephala is in the Qingming Festival. At this time, the climate is mild. Generally, seedlings can emerge 7 to 10 days after sowing. Such atractylodes seedlings are short, have low disaster resistance, and are easy to cause plant death. More, the resistance of Atractylodes chinensis is poor), the yield is low, and the disease is very easy to reduce. The winter seedlings can overcome the above problems. Due to the cold weather in winter, the soil surface is susceptible to freezing, and the seeds of Atractylodes macrophylla in winter are deep. The cultivated Atractylodes seedlings have a stable foundation, fast growth, easy to open, and relatively high yield. Secondly, the winter seedlings emerge early, and are strong and strong, so the disaster resistance performance is better.
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