Planting method and propagation method of Cirsium japonicum
Reproduce with seeds and roots.
(1) Land selection and soil preparation: select sandy loam with shady, deep soil layer and fertile soil to raise seedlings. After full cultivation and deep ploughing, harrow and level, and make a ridge with a width of about 1 m and a height of 15 cm, and the length is not limited.
(2) Seed propagation: The seeds harvested in the current year should be used. Because the germination rate of the seeds in the next year is very low, if the seeds are not used up in the current year, they should be stored in a low temperature and dry place.
Sowing date: March-April in spring and August-September in autumn. In spring, oblique direct seeding is adopted, and in autumn, seedling raising and transplanting are adopted.
The row spacing of direct seeding plants with holes is 20 cm? 35 cm; Seedlings are transplanted by drilling, the row spacing is 30 cm, and the ditching depth is 2 cm. After sowing, shallow soil is covered and watered, and seedlings emerge in 20-25 days at suitable temperature.
(3) Root-splitting propagation: digging up old rhizomes in March-April, cutting and planting sprouts with stems and small tubers, with the row spacing of 35cm and the plant spacing of 20cm, watering after planting to keep the soil moist.
field management
(1) intertillage weeding: Cirsium japonicum is coarse and easy to grow. According to weed growth, intertillage weeding several times a year, and the first intertillage should be shallow.
(2) Topdressing: Combined with intertillage weeding, it is mainly composed of human and animal manure and nitrogen fertilizer, and topdressing should be carried out several times at seedling stage. Two, three-year-old seedlings in spring or winter before the application of decomposed manure dry fertilizer.
No pests and diseases were found in thistle.
Harvest method
The fleshy roots are mainly harvested, and the fleshy roots of two or three years old are dug up in September ~1October, and the soil is removed and then dried or dried.
Traditional Chinese Medicine Properties of Cirsium japonicum as Medicinal Parts
It is the whole grass or root of Cirsium japonicum in Compositae.
Tropism of nature and taste
Sweet, cool. Entering the liver and spleen meridians.
dosage
Oral administration: decoction,1.5 ~ 3 yuan (fresh1~ 2 Liang); Pouring juice or grinding. External use: ramming or ramming juice coating.
Forbidden/suitable crowd
People with spleen and stomach deficiency and cold without blood stasis should not take it.
Processing method
Cirsium japonicum: remove impurities, wash with clear water, moisten thoroughly, cut into sections and dry in the sun. Herba cirsii japonici: Take the clean Cirsium japonicum, stir-fry it in a pot with strong fire until it turns 70% black and remains, screen it with iron wire, spray clean water, take it out and dry it.
geographical distribution
Born on slopes, grasslands, roadsides and wasteland (rarely found in gravel). Widely distributed in Hebei, Shandong, Shaanxi, Jiangsu, Zhejiang, Jiangxi, Hunan, Hubei, Sichuan, Guizhou, Yunnan, Guangxi, Guangdong, Fujian and Taiwan Province. Japan and Korea are distributed.
differentiate