Sanchi is an Araliaceae ginseng plant and is a rare Chinese medicinal material. It is mainly produced in Yunnan and Guangxi and has historically been located in Guangdong, Sichuan, Guizhou and Hunan. In recent years, the safety of medicinal materials production has received increasing attention. In 1998, the European Community established the Good Agriculuure Practice (Glass for Producing Quality Control of Medicinal Plants) GAP. It requires the regulation of cultivation, management and preliminary processing of medicinal materials and has now become an international practice. standard. In order to align the production of Panax notoginseng with international requirements, it is imperative to achieve the transfer of production and quality to the center of gravity of Panax pseudoginseng production so as to ensure that the product has the characteristics of high saponin, low pesticide residues, and low heavy metal content. The high quality Panax pseudoginsm cultivation technology in Wenshan, Yunnan Province is introduced as follows for reference. (1) The soil selection and soil preparation should be selected from Sanqi planting and medium-acidic sandy loam, with convenient drainage and irrigation. The soil has a certain slope, the soil pH value is 5.5-7.0, and the altitude requirement of 1000-1800m is better. In order to ensure the production of high-quality Panax Notoginseng, it is necessary to consider whether the soil pesticide residue and heavy metal content exceeds the standard. The limit standards are as follows: 6666 ≤ 0.2mg/kg, DDT ≤ 0.2mg/kg, Pb ≤ 50mg/kg, Cu ≤ 80mg/ Kg, Cd ≤ 2 mg/kg, Hg ≤ lmg/kg, As ≤ 20 mg/kg. Three or seven site preparations require three ploughs and three rakes, adequate crushing of the soil blocks, and exposure to sunlight. There are plots of land that have been planted in Panzhihua, and 50-70 kg of lime per acre of land are required for disinfection. (2) Constructing sheds and rakes to plant piles according to 1.81.8m, constructing shed materials available for Sanqi special shade nets, or drawing materials locally, using branches, mountain grasses, and crop stalks, but adjusting the light transmittance to 8 Between -15%, not more than 20% is appropriate, and it must not exceed 30%. Otherwise, Panax cannot grow normally. The height of the arbour is about 1.8-2m, which is unfavorable for agricultural operations. If it is too high, it is susceptible to wind disaster. The three-seventh mission requires 120-140cm in width and 15-20cm in height, and is made into a tile-tile type. (3) Seed sowing and transplanting Panax pseudoginseng seeds have ripening properties and need to be stored in wet sand until December to January of the following year to release their dormancy. Sow the self-made template according to the 4x5cm specification, and hit the soil hole 2-3cm deep on the surface to perform on-demand seeding. The sowing volume per mu is 180,000 to 200,000 grains. Transplanting of seedlings is required to be excavated and transplanted from December to next January. The method is also used to plant a hole with a template of l0l2.5cm or l0l5cm, so that the dormant buds are transplanted downward and the planting density is 26,000-3.2 million. /mu. Before sowing and transplanting, 64% antivirus + 50% carbendazim 500 times solution should be used for soaking treatment. After planting, cover fertile soil or fine soil with farmyard fertilizer until the seed material is invisible, then sprinkle with a layer of smash. Mountain grass or loose hair. (D) Field Management 1. Drought-proof watering. It is not until March-August that seedlings are planted in March-April, and artificial watering is required during the planting period (the soil may have wet or no pouring), and the method needs to be poured with a shower head until the surface water is poured. Usually, one month is poured. 3 times permeate until the rainy season comes. 2. Adjust light transmission. The first and second year students have a low light transmittance requirement, usually about 10%, and the three-year student 37 requires a strong light transmittance of about 15%, which can be achieved by adjusting the light transmittance of the shade booth. Increase the root weight per plant. ] 3. Top dressing. The budding period (June) and the flowering period (September) of Sanqi are the peaks of sucking fertilizer. At this time, topsoil should be topdressed. The topdressing of Sanqi is mainly farmyard manure supplemented with a small amount of compound fertilizer. The topdressing fertilizer for farmyard fertilizer is 2000-2500kg/mu, and the top dressing fertilizer for compound fertilizer (15-1515) is 10-15kg/mu/time. . 4. Take buds, sparse flowers and protect the fruit. In cold regions where the production of roots is the main goal, when the Panax notoginseng grows to 3-5cm, it can greatly increase the tuber yield. When leaving the field in the flowering period of March 7th, 1/3 of the inflorescences of the center buds will be eliminated, so that the Sanqi red seeds (fruits) will have a satisfactory yield. 5. Seven gardens are clean. Timely manual removal of all kinds of weeds in Sanqi Garden, removal of diseased plant debris, and away from the burning or deep burial of the seven parks. The cleanliness of the Seven Parks is an important measure to improve the light and light penetration of the Panzhihua-Sanqi Pass and prevent the spread of diseases. It must be given high priority. (E) Pest control P. notoginseng has long-term cultivation (2-3 years), and it also grows in a shaded, high-humidity cultivation environment. Therefore, P. notoginseng has many diseases and spreads rapidly. The main diseases are melasma and root rot. . Insect pests of the three to seven species generally do not constitute a hazard. Phoxim can be used for 1-2 times throughout the growth period. 1. Black spot. Spread in the rainy season, the occurrence of light brown oval lesions on the leaves, stems, followed by depression black moldy, severe kinks. The prevention and treatment method is a 40% sclerotium net 500 times solution + 70% thiophanate-methyl 500 times foliar spray, or 45% dexamethasone 1000 times liquid foliar spray. 2. Root rot P. notoginseng root rot is a soil-borne disease that mainly occurs during the seedling stage (April-April) and anthesis stage (August-October). Its symptoms are yellowing of the leaves and rotting of roots or roots. Control methods for the early onset of the disease with 10% of the net dry +70% of the enemy +25% metsulfuron lkg / acre, mixed with fine soil 150kg made of medicinal soil applied to a good control effect. (6) Banned pesticides Quality cultivation of Panax pseudoginseng must prohibit the use of highly toxic and high residual pesticides. The main ones are: Organochlorines: DDT, BHC, pentachloronitrobenzene, schistosomid; Organic Phosphorous: Phosphorus, Methamidophos, omethoate, rice blast net, trichlorfon; organic arsenic species: TUFE, TIAN'AN, FAMIXIN; urethanes: carbofuran, batatan; organic mercury, fluorochemicals, etc. (7) Harvesting in spring March 7 (without leaving any seed) for harvest in October and harvesting in winter March 7 (leaving) in December; sorting after drying to dry or dry, keeping moisture content at 12% to 13%, and then Impact polishing is a commodity 37. China Agricultural Network Editor