Planting conditions and Technical points of Panax Notoginseng

Planting conditions: Panax notoginseng is suitable for planting in humid, warm winter and cool summer environment, the growth process needs scattered light, the average annual precipitation is more than 1200 mm, and the air humidity is about 70-85%. Soil preparation and fertilization: first ploughing the soil, applying sufficient fertilizer, and then spraying new high-fat film to disinfect the soil. Seed disinfection: select high-quality fruit, peel it, wash it, dry it, and then disinfect it. Seedling management: regular weeding, a small amount of topdressing, timely watering.

The planting conditions of Panax notoginseng

1. Panax notoginseng is a negative plant, which is not cold-resistant and heat-resistant, so it is suitable to grow in a cool environment in winter and summer.

2. Panax notoginseng is sensitive to light and can generally carry out scattered light, which is about 8-20% of the natural light. Proper shading is needed during planting and maintenance, and strong light must not be directed directly, which can easily lead to short plants and easily burned leaves.

3. Panax notoginseng prefers to be moist, avoid drought and waterlogging, and is suitable for growing in a humid environment. It requires an average annual precipitation of more than 1200 mm, and the air relative humidity is about 70-85%. If the air humidity is low, it is easy to lead to leaf dryness, and the soil moisture content is 25-30%.

2. Planting techniques of Panax notoginseng

1. Soil preparation and fertilization

The main results are as follows: (1) it should be planted on the gentle slope land with good drainage and humus soil rich in organic matter.

(2) ploughing is carried out after selecting the planting site, and the depth is about 15-20cm, which is beneficial to promote soil weathering. After ploughing, sufficient base fertilizer is applied, and then spraying new high-fat film to disinfect the soil, which can effectively prevent virus infection and drive away underground insect pests.

2. Seed disinfection

The main results are as follows: (1) from October to November every year, the high-quality fruits of 3-4-year-old plants can be selected, the pericarp can be removed, the surface moisture can be dried after washing, and then the seeds can be soaked in 800 times solution of new high fat membrane for about 10 minutes.

(2) the sterilized seeds can not only reduce virus infection, but also ward off underground insect pests, strengthen respiratory intensity, and increase seed germination rate.

3. Seedling stage management

The main results are as follows: (1) weeding should be carried out regularly at the seedling stage, a small amount of topdressing should be carried out, and watering should be carried out at the right time, and the seedlings can be transplanted after finishing the seedlings, that is, seedlings are raised, seedlings are selected and transplanted at the same time.

(2) when starting seedlings, the loss of spores and roots must be avoided, weak, sick and injured seedlings should be screened out, and then planted in stages. Before transplanting, the roots should be dipped in 800-fold solution of new high-fat membrane, then removed and dried.

4. Post-management

The main results are as follows: (1) weeding and soil cultivation should be carried out regularly in the later stage, and the border surface should be kept moist at any time. In order to avoid causing plant lodging, it should not be sprinkled and sprayed when drenching water.

(2) artificial planting of Panax notoginseng needs to set up a shed to shade in time, and fertilization can be carried out according to the principle of multiple and small amounts of fertilization in order to prevent nutrient loss.

(3) when the flower stalk appears in the plant, it should be removed completely, and the drug Gandaling should be sprayed on the leaf surface, which is beneficial to improve photosynthesis, promote the rapid expansion of rhizome, and thus increase the yield.

5. prevention and control of diseases and insect pests

The diseases of Panax notoginseng are: blight, aphids, red spiders, scale insects, blight, anthrax and so on, which can be sprayed pertinently. In order to improve the utilization rate of pesticides, new high-fat film can be added to the medicine, and it can also prevent drought and rain.