Xian Mao likes the warm and humid environment. More cold, drought-resistant. The soil is loose, deep and well drained. Rootstocks are propagated and planted with the digging. After the plant is covered with decomposed dry fertilizer, cover with a layer of fine soil flush with the surface, and use a new high-fat membrane 600 - 800 times spray the surface of the soil, moisture can be protected moisture evaporation, sun protection drought, thermal insulation, anti-freezing , suffocation and isolation of pests and diseases, improve the emergence rate.
After planting, strengthen field management, timely weeding and cultivating soil and topdressing. The timely spraying of the root canal to promote the photosynthesis products (nutrition) to the roots of the foliar transport, improve the nutrient conversion rate and the ability to loose soil, so that rapid root enlargement, medicinal content increased greatly, promote tuber growth and increase output. At the same time strengthen the comprehensive prevention and control of pests and diseases, and spray a new high-fat membrane to enhance the control effect. At the end of the fall, we must do a good job of wintering and cold-keeping work to ensure safe wintering in order to ensure a good harvest for the coming year. (Dao Ye, Department of Pharmaceutical Engineering, Yangling Vocational and Technical College)
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