Taizishen belongs to the perennial herb of Dianthus, and is a common Chinese medicine for supplementing the body. It has a slender spindle shape or a slender strip shape and is slightly curved. Because it is a tonic health medicine, it has the effect of replenishing qi and strengthening the spleen and moistening the lungs. Therefore, it has a large market and is favored by consumers. Now Xiaobian says that in the northern region, how is the scientific cultivation of Taizishen?
First, land selection and land preparation
1. Land selection: When selecting the planting area, it is a land that has been planted with corn and sweet potato before and after, and requires sandy loam with loose and fertile soil, organic matter and good drainage performance.
2. Site preparation: It is best to complete the transplanting in the first ten days of October, and the planting will be completed before mid-November. Before sowing, fertilized pig manure is applied, planting 2 to 3 m3 per 667 m2, and transplanting 4 to 5 m3. At the same time combined with fertilization and tillage, each ploughing depth is 15-20cm, about two or three times. In the late autumn, the rafting is sorghum, 1 æ¯ every 1.8-2m, 15-18cm high, 1.4m high, and 30cm wide at the bottom of the ditch.
Second, breeding methods
1. Seed propagation: choose brown spheroidal, surface-cracked varieties. In late October, 2cm grooves are dug horizontally or longitudinally, and rows are 10 to 12cm in length. The soil thickness is between 0.5 and 1cm. Planting 2.5kg per 667m2.
2. Transplanting: Seedlings are to choose the roots with complete bud head, solid no roots, yellow and white color, long and coarse fertilizer, and no impurities. In the first ten days of October, plan and transplant, the planting distance is 5 to 6cm × A distance of 13 to 15 cm is most suitable, covering a soil thickness of 2.5 to 3.5 cm.
Third, field management
1. Intercropping and weeding: weeding each time in early March, mid-May and mid-May
2. Top dressing: Before the end of March to the beginning of April, you can spray 0.5% urea and trace elements or spray 25% biogas slurry.
3. Drought-resistance and drainage: The spring is relatively dry, so it is necessary to water more water, which is conducive to the emergence of the seeds of the ginseng; in summer, it is necessary to pay attention to flood control and do a good job of drainage.
4. Reasonable dimming: Some spring corn can be planted on both sides of the ginseng, so that in the high temperature summer, the corn plants can block the light of the ginseng.
Fourth, pest control
1. Agricultural control: choose high-resistance and multi-resistant ginseng varieties; increase the application of organic fertilizer; timely remove the surrounding weeds; do drainage measures;
2. Biological control: Aphids can be controlled by spraying with a solution of 1% oxymatrine 1000 to 1200.
3. Chemical control: You can choose Dyson zinc wettable powder, trichlorfon, oxymatrine and so on for pest control.
V. Harvesting
1. Seeds: In May and June, the mature ginseng should be picked in time, and the picking time should be after the dew is dried at 10 am.
2. Root: In early July, when the plants are wilted, the roots of the ginseng roots are harvested, and then the roots are rinsed with water and placed on a mat or a mat for exposure until dried.
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