Where can I buy Andrographis paniculata seeds? What are the seedling cultivation methods?
Andrographis paniculata is also called Lanhe lian and Yijianxi. It is a common medicinal plant, suitable for open-field cultivation in the south and greenhouse cultivation in the north. Besides being used as medicine, Andrographis paniculata is also alettuce, edible, and can also be used as aflower. In spring and summer it can produce small pink flowers, and it is very beautiful to keep at home. So where can you buy Andrographis paniculataseeds? What are the seedling cultivation methods? Let's learn about them together.
Where can you buy Andrographis paniculata seeds?
At present, Andrographis paniculata is mainly planted and distributed in China's Fujian, Guangdong, Hainan, Guangxi, Yunnan and other regions, and has also been introduced in Jiangsu and Shaanxi. Therefore, there are many places where Andrographis paniculata seeds can be sold. You can buy seeds from dealers in these production areas, or from some flower shops, seed markets or online e-commerce platforms. When purchasing, pay attention to selection techniques and just make sure to choose a legitimate platform.
What are the seedling cultivation methods?
1. Site selection and land preparation
The cultivation site should choose sandy loam soil with relatively sufficient sunlight, relatively loose soil, relatively high fertility, relatively good aeration and good drainage capacity. After choosing the cultivation site, plow the land once with a tractor, turn out and remove large stones, weeds and other debris in the field, and then rake the cultivation land fine with a rake. After raking the soil fine, apply 3500 jin-4000 jin of fermented farmyard manure per mu, then refine and make beds, with the length determined according to the cultivation area.
2. Sowing method
After mixing the germinated seeds with 1 percent carbendazim, dig sowing furrows 4 cm-5 cm deep on the bed surface. After digging the furrows, sow the seeds into the furrows, cover with 1 layer of fine soil, then cover the fine soil with some rice straw, and then water. About 10 days after sowing the seeds, seedlings will emerge.
3. Seedling cultivation methods
The main method is seedling transplanting. The seedbed soil should be fertile, loose, and raked level and fine. Before sowing, the seeds should have the waxy seed coat removed with fine sandpaper, then be soaked in warm water, then placed in a 30℃ incubator for germination, and then sown. In spring, late March-early April; in autumn, sow in July on a high-bed seedbed.
In addition, the cutting seedling method is also feasible. Select relatively thick main stems, cut 5-10 cm, and retain 2-4 cotyledons. Note that cutting seedlings are not suitable for flooding irrigation; sprinkler irrigation or drip irrigation should be mainly used to reduce environments where bacteria breed and improve the survival rate of cutting seedlings.
4. Seedling stage management
The main task is timely watering to help seedlings develop new roots. Afterward, topdress once about every 7 days, and water once every 3-4 days; topdressing should mainly be nitrogen fertilizer. After that, combined with watering, apply urea 15 jin/mu once every 20 days until the rows close. When Andrographis paniculata grows to 20 cm tall, remove the top buds to encourage more lateral buds and increase yield.
Overall, Andrographis paniculata has quite a lot of value, and its planting areas are also relatively widely distributed. Therefore, when planting Andrographis paniculata, everyone must pay attention to the methods and, at the same time, carry out correct seedling management work in combination with geographical and environmental characteristics.
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