What Is Chrysanthemum Nao? A Detailed Guide to Its Cultivation Techniques
Chrysanthemum nao, also known as chrysanthemum head and field-edge chrysanthemum, is a common wild vegetable found around doorways and behind houses. Because of its high nutritional value, it is a prized summer food for preventing heatstroke and clearing internal heat, and it is deeply loved by people. It is currently cultivated in many regions, and its development prospects are very good. So what is chrysanthemum nao? What are the cultivation techniques?
I. What is chrysanthemum nao?
1. Chrysanthemum nao is a herbaceous plant of the genus Chrysanthemum, tribe Anthemideae, family Asteraceae, order Asterales. The plant grows about 100 cm tall, with slender stems and many branches, and its branching habit is extremely strong. The leaves are green and long-ovate, with large coarse compound serrations along the edges. It generally blooms from September to November and bears fruit in December. The flowers are yellow and ligulate or tubular, and the fruit is an achene containing a thousand tiny seeds.
2. Chrysanthemum nao is a highly nutritious wild vegetable, rich in protein, fat, vitamins, cellulose and more. It has a distinctive fragrance and offers the effects of clearing heat and detoxifying, lowering blood pressure and stimulating the appetite. It can not only be stir-fried but also served cold or cooked in soup, making it one of the most common dishes on people's tables. In particular, chrysanthemum nao and duck egg soup is one of the most popular summer foods for preventing heatstroke.
3. Chrysanthemum nao is a type of chrysanthemum. It grows wild in Hunan, Guizhou, Jiangsu and other parts of China, and in Nanjing many people pick the young shoots to stir-fry, and it has now become a regional specialty dish. Of course, some residents also plant it specially around their doorways and behind their houses, so it has certain development prospects.
II. What are the cultivation techniques for chrysanthemum nao?
1. Choosing and preparing the land: What kind of land is suitable for planting?
Chrysanthemum nao grows best in loose, fertile soil with good drainage, so when choosing a site, try to plant it in moist sandy loam. After selecting the site, deep-plough the soil and apply plenty of base fertilizer, then dig field beds at a width of 1.2 m and a height of 30 cm in preparation for later planting.
2. Sowing and raising seedlings: How do you sow?
(1) Sowing time: March to April.
(2) Propagation method: Direct sowing.
(3) Sowing method: Evenly scatter the seeds over the prepared field beds, then slowly cover them with soil, sprinkle a thin layer of livestock manure, cover with dry grass and water lightly.
3. Transplanting seedlings: When is the best time to transplant?
(1) Transplanting time: May.
(2) Transplanting method: After the seeds sprout, dig out the seedlings together with the soil and roots, transplant them into the soil at a spacing of 30 cm, then apply an appropriate amount of human and livestock manure and water them with an appropriate amount of water.
4. Field management techniques after transplanting: How do you manage them?
(1) Water requirements: Chrysanthemum nao does not have high water requirements. Once the seedlings are about 5-10 cm tall, water about once every 20 days, with the specific amount determined by how dry or moist the soil is.
(2) Fertilizer requirements: Chrysanthemum nao does not have high fertilizer requirements. Generally, when the seedlings are about 5-10 cm tall, the first topdressing can be carried out, applying about 2,500 kg of decomposed organic fertilizer per mu. Later on, apply 1,500 kg of diluted human and livestock manure per mu about every 20 days, and at harvest time apply an additional 2,000 kg of human and livestock manure per mu.
(3) Cultivation and weeding: During the growth period of chrysanthemum nao, the soil gradually hardens and some weeds grow, so cultivation and weeding should be carried out in good time to promote its growth.
(4) Pest control: During the growth period of chrysanthemum nao, aphid pests occur, so preventive measures should be taken in advance. For plants already affected, spray fenitrothion emulsion or malathion emulsion for control.
5. Harvesting and seed saving: When do you harvest?
Generally, chrysanthemum nao grown in open fields can be harvested from April to May, while that grown under protective cultivation can be harvested from March. When harvesting, pick in batches as much as possible, generally once every half a month, and by November there is no need to harvest any more. After harvesting, break the shoots off from the tender stem tips, then tie them into small bundles for sale on the market.
The above is a detailed introduction to what chrysanthemum nao is and its cultivation techniques. We hope it is helpful to you.