Planting method of evening primrose

Abstract

The invention discloses a planting method of evening primrose. The method comprises the following steps: (1) selecting and preparing of a land, namely, selecting a plot, which is fertile in soil and good in drainage, of which previous crops are beans or melons, fertilizing a barnyard manure or a cake fertilizer as a base fertilizer, deeply harrowing, airing for 15-20 days, smashing, raking and bedding; (2) seeding, namely, digging a seed trench which is 2-3cm wide and 1-2cm deep, spreading a layer of mixture of vinegar residues and field soil in the trench, mixing seeds with 50% phoxim emulsifiable concentrate, fully mixing with fried straw powder at the ratio of 1 to 20, sowing in the trench, and then immediately suppressing, wherein the planting density is 25,000-36,000 plants / mu; (3) intertilling and weeding; (4) transplanting of fixed plants, namely, thinning or transplanting fixed plants when seedlings grow into a rosula form; (5) topdressing, namely, carrying out topdressing for the first time about 15 days after plant fixing, and carrying out topdressing for the second time when an early bud grows; (6) prevention and treatment of plant diseases and insect pests; and (7) harvest processing. The planting method of the evening primrose disclosed by the invention has the advantages of being simple and easy to operate and high in yield; and the quality of medicinal materials is improved.

Description

technical field [0001] The invention belongs to the technical field of Chinese herbal medicine planting, and in particular relates to a planting method of evening primrose. Background technique [0002] Evening primrose, also known as mountain sesame and evening primrose. It is warm in nature, sweet and bitter in taste, and its seeds are used as medicine, containing palmitic acid, stearic acid, oleic acid, linolenic acid, linoleic acid and so on. It has a significant effect on lowering cholesterol and preventing atherosclerosis. It can also treat obesity, rheumatoid arthritis and schizophrenia, and can inhibit the growth of cancer cells. In recent years, the clinical research on γ-linolenic acid in the medical field has shown that: γ-linolenic acid is beneficial to obesity, schizophrenia, women's menstrual syndrome, periodic breast pain and various inflammations (rheumatoid arthritis, ulcerative colitis, Nephritis, etc.) also has a good improvement effect. This indicates ...

AI Technical Summary

Problems solved by technology

However, due to the deterioration of the ecological environment, the number of wild evening primroses has decreased rapidly. In order to meet the demand for evening primrose oil in domestic and foreign markets, the present invention proposes a method for artificially planting evening primroses, aiming at solving the problem of the number of wild resources. Few, the problem of large market demand for medicinal materials