The latest seed price and planting method of Rhizoma Polygonatum
Zhonglou, also known as Huazhong Lou, seven-leaf lotus, iron lamp stand, etc., is a plant of the Liliaceae family, Yunnan Zhonglou or seven-leaf flower, produced in Yunnan, Guizhou, Sichuan, Guangdong, Guangxi, Jiangxi, Fujian, Shaanxi and other places. Medicine has the effects of heat-clearing and detoxification, detumescence and pain, cooling the liver and calming the liver. Let's take a look at the seed price and planting method of Zhonglou.
How much is the heavy building seed per jin?
The price of Zhonglou seed is about 200 yuan and 300 yuan per jin, but it varies according to the quality, variety, origin and market of the seed. Chong Lou is often born under the mountain forest or in the shady and wet places of roadside grass. It can be propagated with seeds during cultivation and can be directly seeded, but it can also be planted by seeds for saving seeds and high yield. The growth cycle is very long, it takes three years from seedling raising to transplanting, transplanting after three years, growing for 5 years after transplanting, the yield of Yunnan Zhonglou can reach 1500 kg per mu, and Huazhong Lou can reach about 1000 kg.
Sowing method of heavy building
1. Seed direct seeding: after soaking rain in the first and middle of January, the row spacing is 30cm 35cm, the plant spacing is 20cm 25cm, the plant spacing is 3cm, the depth is 3cm, the narrow moisture is 130cm, and the soil moisture is 150cm. Sow the seeds coldly for 24 hours before sowing, sow with plant ash, sow 2-3 seeds in each pond, and cover 2-3 cm of fertile soil with half of fine soil. The dry soil should be watered in time and germinate in 7-10 days.
2. Seedling transplanting: select the seedbed in the dry land or vegetable garden with a pool in early April, disinfect the soil with pentoxynitrobenzene before digging the soil, then flatten the soil surface, open a sowing ditch about 5 cm deep in the soil surface, plant in the ditch according to the plant spacing of 5 cm, then cover the soil with 3 cm, cover the fine dung 2 cm, water thoroughly and cover the plastic film, the seedlings can emerge in 1 or 7 days, and the seedlings can be raised in January. Transplant the seedlings to the field according to the live broadcast specifications.
The planting method of heavy buildings
1. Soil selection: heavy buildings do not have strict requirements on climate and soil types, but it is most ideal to choose shaded slow graveyards or flat land with relatively short shade in Rixi, and the night tide land, ash bubble soil and rotten land with loose texture, strong water retention and water retention.
2. Soil preparation and fertilization: the root system of the heavy building is not deep. After general soil preparation, the soil moisture is 120-150 cm wide, and the soil miscellaneous fertilizer or forest humic fertilizer is applied to 3000-5000 kg per mu, and then the ditch is covered with fertilizer and shallow hoe once, so that the fertile soil in the tillage layer is uniform, leveled and fine to be planted.
3. Seedling replenishment: the seedlings were planted in the middle and late May, and the seedlings were filled in the pond at the same time. The seedlings should be watered before the seedlings were watered, and the seedlings should be watered with wooden pry and fixed root water when replenishing the seedlings, so as to make full use of the seedlings to ensure the whole seedling and sufficient density.
4. Intermediate ploughing and weeding: the growth of the aboveground part of the heavy building is weak, and special attention should be paid to loosening the soil and weeding. Generally from late May to early June, there are many torrential rains and the soil is easy to harden, so it is necessary to drain and prevent waterlogging in time, plough the soil frequently, loosen the soil shallowly, and pay attention to the removal of weeds at any time.
5. Timely shading: heavy buildings like shading and fear strong light, and the whole growth period should be 40-50%. Therefore, shading measures should be taken after emergence and transplanting, and shading nets should be used in places where there are conditions, and shading methods can be adopted in places where there are no conditions.
6. Topdressing and cultivating soil: the heavy building has the growth law of flowering above and expanding the tuber below. Generally, it grows fastest from mid-June and late June to August, and topdressing must be applied again in the first ten days of June. 2000kg / mu cattle and sheep stable manure or 20kg / mu manure plus calcium 2030kg.
7. Timely harvest: the heavy building can be harvested before and after falling seedlings in autumn, that is, from November to December to the spring of the following year, and most of the tubers grow in the topsoil layer, which is easy to dig, but we should pay attention to keep the tubers intact, wash them after digging out, open slices fresh and dry them in the sun.
Disease and pest control of heavy buildings
1. Black shift disease
[harm] the disease starts from the leaf tip or leaf base, producing round or subcircular disease classes, and sometimes the disease spreads to the flower axis, forming leaf withering and stem withering.
[prevention and treatment] pay attention to drainage and dehumidification, reduce air humidity, reduce the incidence of the disease, spray 1% chlorothalonil 300-500 times, or 50% thiophanate-methyl suspension 1500-2000 times.
2. Stem rot
[harm] it often occurs in the seedling bed stage, and the harm is more serious in the high temperature Duofu field stage. firstly, the yellow-brown disease spot occurs at the base of the stem. after the disease spot expands, the leaf tip loses underwater drooping, and when the stem base is wet-rot, the seedling falls.
[control] in rotation with Gramineae crops for more than 3 years, 1000 times of carbendazim wettable powder was sprayed on the seedling bed before transplanting, and 1000 times of 95% dimethazone wettable powder was irrigated in the early stage of the disease in the field.
3. Beetles
[harm] the leaves are harmed by adults (fried bean worms), and the sticks are eaten by larvae (Bombyx mori), which affects the growth of insect buildings.
[prevention and control] at night, torches were used to trap and kill adults, and trichlorfon was sprayed on soil moisture surface to trap larvae. When soil preparation was used for soil moisture, 5% phoxim granule 135kg / mu was applied.
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Zhonglou, also known as Dianzhonglou, one-legged lotus, Huazhong Lou, etc., is a perennial herb of the Liliaceae. The rhizome has the effects of clearing away heat and detoxification, relieving swelling and pain, cooling liver and relieving shock. It is mainly produced in Yunnan, Guizhou, Sichuan and other provinces. It has been cultivated all over the country.
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