Planting and Management of Panax Notoginseng
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Shedging: There are two methods for scaffolding: one is a canopy with a wooden beam and a wooden beam structure, that is, it is composed of wooden strips and bamboo strips. The height of the shed is 5.5 to 6 feet. The other is the ceiling of the wooden wire structure, that is, instead of the beam with iron wire, the column distance is about 8 feet, 120-130 wood columns per mu, the role of the shed is mainly to adjust the light and temperature. Adjust according to different seasons and temperature levels, the spring sunlight projection angle is small, light is weak, can be dilute, the general transmittance can be 65% -75%, later with the increase of light and temperature rise and gradually Encryption, usually less direct light on the northern slope, can cover more thin, southern slope light can cover some more.
畦 畦 畦 畦 畦 畦 畦 畦 畦 畦 畦 畦 畦 畦 畦 畦 畦 畦 畦 畦 畦 畦 畦. The width is 1.8-2 feet, and the height is 5-6 inches. The length can be determined according to the terrain. The width of the groove is 1 foot. The surface is fish-shaped. After the work is done, 30-50 lbs. of basal fertiliser per acre is applied to the sorghum surface, and the proportion of basal fertilizer is 70% of cow dung and 30% of ash. If there is phosphate (superphosphate, bone meal) plus 30 pounds or so. The basal fertilizer must be applied after it has been rotted and evenly spread on the surface of the husks to fully mix with the soil.
Seed sowing: Select the mature and full-grown seeds of the fruit of the three-year-old students in the three to seven years. During October-November in winter, follow the harvest with the broadcast. After sowing, cover the ground with a layer of fertilizer mixed with fertilizer. A layer of turf promotes the germination of its seeds. Using on-demand method, the spacing between the rows is 32 inches or 33 inches, 280,000 to 320,000 seeds per acre, and 4-8 minutes thick cover soil. After a little pressure, cover a layer of straw (straw must be cut into 2 to 3 inch segments, use stone Sulfur compound disinfectant) to prevent weed growth and water evaporation, but also to prevent rain shed in the shade of the shed, affecting seedling growth. The coverage thickness is 0.3-0.5 inches, covering about 80% of the skull surface.
Ex situ transplantation: Panax pseudoginsis must be easily transplanted after growing for one year (commonly known as "seeds"). The new land to be transplanted must be treated in the same way as the seedbed, preferably during heavy snow or winter solstice. The "seeds" of the seedbed were dug up, and the stems and leaves were cut off, commonly known as "trees", and put into a hole. A mixture of fertilizers was applied to cover the local inch. The trenches were grooved at a 76-inch or 86-inch spacing. 1.5-inch, when planting seedlings, the seedlings and the ditch is 20-30 degrees angle, while planting side cover soil, the thickness is not exposed bud head, should not be too thick, and then cover about 0.3-0.5 inch thick broken grass, The principle of not seeing the earth.
Adjusting the ceiling: The transparency of the ceiling is closely related to the growth and development of Panax pseudo-ginseng. The light transmittance is too small, the plants are delicate, the diseases and pests are easy to occur, and the flowering results are also less; the light transmittance is too large, the leaves turn yellow, and it is easy to appear early Withering phenomenon. Generally, the light transmittance in spring is 60%-70%, and in summer it is 45%-50%. After the autumnal equinox, the temperature turns cool, and the light transmittance can be gradually expanded to 50%-60%.
Weeding and Topdressing: Regardless of the site of one year or more, it must be done to see if it is necessary. Fertilization will be conducted at least 4-5 times a year, and more often 7-8 times. Fertilizer will be applied once every 1-2 months. For the first time, 150 kg of grass ash and 500 lbs of turf will be applied at a time when 70% of seedlings will emerge. The second time around April, when spreading leaves, 200 kg of mixed fertilizer per mu (30 kg of beef bone powder, 50 kg of superphosphate, applied after fermentation.) The third time in May, 200 kg of mixed fertilizer was applied. For the fourth time in July, the green manure was applied (the green manure was chopped and chopped and fermented) and the well-fermented green manure was evenly spread.
Winter care: mainly to remove residual leaves, sparse fence (adjust the transmittance of 70% - 80%), a total disinfection once (skyshaft, ground, fence full use of 0.2-0.3 degrees lime sulfur disinfection), the purpose is to Adjust the temperature and humidity in the shed and reduce the overwintering pests. Then spread 1000-2000 pounds of compound fertilizer on the surface.