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First, grow seedlings grow strong, old mature vines, about 60 cm into a ring 8-10 centimeters, according to the spacing of about 10 centimeters, with a 45 angle slanting on the surface, covering the earth to 2/3, and then cover Dry weeds, pour water, keep the soil moist and transplant them in spring after germinating long roots.
Second, soil preparation and planting night flowers are drought-tolerant, resistant to ridges, and resistant to picking, and should choose low-drainage, well-drained fields for planting. The soil preparation must be deep-rooted and a certain amount of soil-based fertilizer should be used as a base fertilizer. The height of the beak is 30 cm, the spacing is 1.5 meters, and the spacing is 70 cm. Planting should be conducted in spring and summer. Open a small hole in the cocoon and place the seedlings obliquely inside the hole, cover the soil, then cover with a layer of dry weeds and pour the water.
Third, field management
1. Stretching the vines: When the seedlings grow to 1 m long, they can be used for arranging the vines. The approach is similar to that of melon beans. The height should not exceed 2 meters. Too high to increase the difficulty of picking. It is also possible to replace fences with self-made cement poles and pull-wires. This method requires no replacement for many years at a time and has strong wind resistance. When vines are introduced, each vine leaves two or three vines. Excess vines must be removed. Branches more than 50 cm above the ground can be left as side vines.
2. Winter pruning: After the end of harvesting and the leaves fall out of the night aroma flowers, a large pruning should be performed to remove the dead vines, weak vines and dead leaves, and only keep the strong branches for the winter and plant short-term crops on both sides of the hoe. .
IV. Fertilizer Management After the Qingyuan Garden in early March each year, it is re-introduced once to promote fertilizer, and 25 kg of compound fertilizer is used per acre to mix 500 to 750 kilograms of farmyard manure to fertilize the soil to promote early growth and improve early yield. . After every 20-30 days, apply 15 kg of compound fertilizer per acre or 500 kg of farmyard fertilizer, and do not apply nitrogen fertilizer. In the spring drought, watering is needed to promote sprouting branches, and during the rainy season, attention is paid to flood prevention.
V. Pest control The insect pests that are found to be harmful to night scented flowers are mainly crickets and scale insects, and the disease has wilt disease. In the cultivation measures to prevent partial nitrogen fertilizer, timely removal of dense mango and leaves, timely drainage, weeding in the rainy season to avoid loose soil, add lime during top dressing. In the prevention and control of pesticides, available pest control, anti-caries 23, farmland music, music, etc. to control fleas, 40% Leko emulsion control scale insects, wilt with wilting, plus heat must prevent and control fusarium wilt. If a wilt diseased plant is found, it must be burned in time, and the soil around the diseased plant should be sprinkled with quicklime and replanted after 1 month.
6. The fragrant flowers collected from early April will bloom from the beginning of April until the end of mid-October. The night fragrant flowers consist of umbrella cymes formed by a large number of small flowers. The bloom is light yellow and the nose is fragrant. Especially at night, it even radiates bursts of fragrant scent. After flowering, the floret is very perishable and degenerate and loses its commercial value. When the inflorescence has 40% to 50% of the floret flowers are to be picked up, they must be harvested. Generally, it is picked once a day. The day of the day is picked and sold. The flowers that have been opened must be removed to avoid affecting the quality of the product. Night fragrant flowers generally produce 1250-1750 kilograms per mu and 7,000-8,000 yuan per mu.
Nocturnal flower cultivation management technology
The night wild flower is a kind of semi-wild vegetable that is eaten as a flower bud. It used to be planted in front of the house in front of the house. Since the mid-1980s, it has been developed into a commercial vegetable production. Its products are sold in major cities in the province and in Hong Kong and Macao. , It has good economic benefits. Now we introduce its cultivation techniques as follows.