Dutch fennel is also known as fennel. It is an anthracite variant of the genus Coriella, a herb of the first and second year of life. Its bulbs, young leaves are edible, and the seeds are spices and drugs. Whole plant aromatic, can be used as ingredients for meat, dishes. Contains large amounts of vitamins C, B, carotene and various essential amino acids, which have high nutritional value. The Dutch fennel plants are tall, usually 70 to 180 centimeters in size, with as many as 20 to 30 culms and 1 to 2 centimeters in culm. They have a long, bulbous bulb, about 13 centimeters high and 7 centimeters thick. About 2000 kilograms of bulbs per mu, 5,000 kilograms of leaves, 200 kilograms of seeds, and 125 days of growth. Has been widely planted throughout the country. Cultivation method 1. Seed. At present, it is mainly introduced from the Netherlands and other places. Seeds can be seeded and seeded. Seeds are more expensive and seedlings are better transplanted. 2, nursery. First, apply 2.5 kg/m2 of base fertilizer to the seedbed and apply as a base fertilizer, and then probe and level the bed. Seeds were soaked in warm water at 55°C for 8 to 10 hours, and then they were separated by gentle tapping. The seeds were germinated in a 20°C to 22°C environment and washed once daily with water. Plug the seedbed into the bottom water and mix the seeds and fine sand on the seedbed, or sowing and on-demand, and then cover 0.5 to 1.0 cm thick fine soil. The amount of mu is about 200 grams. Need to nurse seedbed 10 square meters. Spring sowing should be nursed in the greenhouse, summer sowing with straw or shade net, cooling and moisturizing. The seeds were unearthed in about 7 days. And time seedlings. 3, transplanting. Repellent forecourt is a plot of cruciferous green leafy vegetables that can reduce the harm of Spodoptera exigua and the occurrence of Sclerotinia. Transplanting land should be given enough base fertilizer, deep turning, drying ridge - about week. Shinongjia Fertilizer 3000 ~ 5000 kg, superphosphate 500 kg. After finishing the leveling process, it is used to make a squat, which is 1.5 meters wide and 3 lines each. Plant spacing 50 cm 30 cm. After the plant is irrigated, it is saturated. 4, management. Timely tillage weeding. Soil softening. Be profound and avoid hurting the roots. Usually weeding. The bulbs should be soiled, and the 8 to 9 leaf bulbs should be expanded at the fastest speed to cover the bulbs to reveal the new leaf growth points. Generally, the soil is cultivated twice before harvesting, and then the seedlings are diluted with thin human excreta. About 20 days after transplanting, the amount of human excrement is 1,000 kg and urea is 5 kg. In the process of bulb expansion, the top dressing is applied once to promote rapid bulb enlargement. . Strong growth demands more moisture. Especially in the period of vegetative growth, watering of bulbs is often required. Otherwise, the growth will stop and the leaf sheath will become fibrotic. 5, harvest. 60 to 70 days after transplanting. Harvesting is appropriate when the leaf ball stops expanding. 6, pests and moorings. The Dutch cut fennel has a few general pests and is susceptible to gray mold in the old vegetable areas, resulting in dead seedlings and rotten seedlings. It can be used to spray 2000 times of 50% fasting WP.
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