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Straw covering based green cultivation method suitable for codonopsis pilosula in drought area

A cultivation method and technology of Codonopsis pilosula, applied in the field of cultivation of Chinese herbal medicines, can solve problems affecting the quality and yield of Codonopsis pilosula, low yield, chaotic management methods, etc.

Pending Publication Date: 2021-06-01
甘肃农业职业技术学院
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Problems solved by technology

[0003] Northwest my country is the main production area and distribution center of Codonopsis pilosula. This area is dominated by arid and semi-arid climate. Seasonal drought stress and high temperature stress coexist, resulting in low and unstable yields, and the production of Codonopsis pilosula is seriously affected.
Film mulching is the most widely used cultivation technique. In recent years, film mulching cultivation has also been widely used in the cultivation of traditional Chinese medicinal materials. However, Codonopsis pilosula likes a mild and cool climate, and its seedlings prefer shade and are afraid of drought and exposure to the sun. The environment is unfavorable to the growth and development of seedlings, and it is easy to cause rotten seedlings and burnt seedlings, and the white pollution is serious
At the same time, in the process of planting Codonopsis ginseng, there are problems such as chaotic management methods and irregular application of pesticides and chemical fertilizers, which seriously affect the quality and output of Codonopsis pilosula, and hinder the sustainable and healthy development of Codonopsis pilosula industry

Method used

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  • Straw covering based green cultivation method suitable for codonopsis pilosula in drought area

Examples

Experimental program
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Effect test

Embodiment 1

[0027] In this example, Codonopsis pilosula (Franch.) Nannf., a variety of Codonopsis pilosula (Franch.) Nannf., was selected and bred by Dingxi Academy of Agricultural Sciences. The seedlings were provided by the research group of Gansu Agricultural Vocational and Technical College. It was carried out in Hujiamen Village, Shuangquan Township, Longxi County, Gansu Province (35°13´N, 104°41´E). The temperature is 7.7 ℃, and the annual average frost-free period is 146 days. The soil is loess cotton soil, the soil layer is deep and loose, and the previous crop is Scutellaria baicalensis.

[0028] (1) Planting and preliminary preparation

[0029] Codonopsis pilosula likes a mild and cool climate. Choose a plot with shade, deep soil, loose soil, good drainage, and rich organic matter in the same area. It is advisable to plow once before transplanting. Combined with deep plowing, the base fertilizer is evenly poured into the soil to remove weeds and stones. block, and then harrowe...

Embodiment 2

[0045] In this example, the large-scale planting of Baitiaodang in Longxi County, Gansu Province was used as the test material, and it was planted in Gaojiawan Village, Shuangquan Township, Longxi County (35°8´N, 104°24´E). The test site belongs to the dry land of Eryin Mountain , the altitude is 2022.15 m, the annual average precipitation is 485.6 mm, the evaporation is 1350 mm, the annual average temperature is 7.2 ℃, and the annual average frost-free period is 130 days. The soil is yellow cotton soil, the soil layer is deep and loose, and the previous crop is corn.

[0046] The planting time was March 29, 2017. Uniform and healthy seedlings were selected for oblique planting with a plant spacing of 4 cm and a row spacing of 25 cm. The species of Codonopsis pilosula planted was the local Baitiaodang planted in a large area in Longxi. The area of ​​the test field is 0.5 mu. After the previous crops have been harvested, 2000 kg / mu of decomposed farmyard manure and 20 kg / mu of ...

Embodiment 3

[0049] The difference from Example 1 is that the fertilizer and dosage are respectively: 35 kg / mu of urea, 25 kg of diamine phosphate, and 8 kg of potassium sulfate.

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Abstract

The invention discloses a straw covering based green cultivation method suitable for codonopsis pilosula in a drought area, and belongs to the field of traditional Chinese medicinal material cultivation. Aiming at the northwest drought climate environment and the existing technical problems, a straw covering technology and codonopsis pilosula cultivation are organically combined. The invention aims to provide the green and efficient codonopsis pilosula cultivation method suitable for planting in the drought area, which is easy to operate, adapts to local conditions and is environmentally friendly, low in cost and high in yield.

Description

technical field [0001] The invention belongs to the field of cultivation of traditional Chinese medicinal materials, and in particular relates to a green cultivation method suitable for straw covering of Codonopsis pilosula in arid areas. Background technique [0002] In recent years, with the rapid development of the international natural medicine market, my country's traditional Chinese medicine has attracted more and more attention from the world. The production of Chinese medicinal materials has been strongly supported by the national industrial policy, and the domestic market demand is large. Codonopsis Codonopsis is one of the largest varieties of traditional Chinese medicine planted in the country. It is a traditional Chinese medicinal material for both medicine and food. It is a perennial herb whose root can be used for medicine. [0003] Northwest my country is the main production area and distribution center of Codonopsis pilosula. This area is dominated by arid an...

Claims

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Application Information

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IPC IPC(8): A01G22/25A01G13/02
CPCA01G22/25A01G13/0262Y02A40/28
Inventor 崔同霞姚友旭范重秀李怀德郑生岳惠和平
Owner 甘肃农业职业技术学院
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