High-yield cultivation technology of fennel

Fennel is a perennial herb that is cultivated for one or two years. The native Mediterranean region is widely cultivated throughout China and has strong adaptability.

First, the mouth arrangement

Most of the fennel is cultivated in open season in the spring and autumn seasons, that is, sown in March-April and July-September, and harvested in 40-55 days. The greenhouse can also be cultivated after the fall or in advance in spring so that the supply of fennel can be delayed and advanced 1 to 1.5 months.

Second, species selection

In general, fennel is selected from varieties that grow fast, cold-resistant, disease-resistant, and have high yields, such as fennel in Inner Mongolia, “Dawei” cumin in Qing County, and so on.

Third, fertilization site preparation

Each mu of high-quality rotten farmyard fertilizer 3000 kilograms, superphosphate 100 kilograms or diammonium 15 to 20 kilograms, Pu Shi ground, deep-turning rakes to make rakes, rake 1.2 meters wide.

Fourth, sowing

1. The amount of seeding. Generally sowing seeds of 8 to 10 kg per mu.

2. Seed treatment. The so-called fennel seeds are often double-hanging fruit and contain two seeds. They need to be split before sowing. Fennel seeds can be seeded, soaked and sowed. Greenhouses are usually cultivated in spring for direct seeding or soaking, and sowing can be done if the sowing date is late. Soaking and sowing: soaking in water at 18°C～20°C for 24 hours; germination sowing: Immerse the soaked seeds in the environment of 20°C～22°C, germinate every day, rinse with water once a day to wash away the mucus, and shoot for about 6 days. .

3. Sow. On the day of sowing, first fill the bottom with a flat bottom. In order to achieve uniform sowing, it can be sowed in two separates. After sowing, cover the soil with 1 cm thick.

V. Field Management

1. Temperature management. After sowing, until the emergence, closed greenhouse insulation and cold. After emergence of fennel, when the seedlings height 7 to 8 centimeters began to release air, the general morning more than 22 degrees Celsius when the release of air, the afternoon when the temperature is less than 20 degrees, close the tuyere; mid-morning 8 °C ~ 9 °C when the release of air, until 20 pm in the afternoon to close the tuyere; In the later period, when the outside minimum temperature exceeds 3°C, it should be ventilated day and night. During the day, the tuyere should be large and the tuyere should be small at night. The maximum temperature during the day cannot exceed 24°C, otherwise the fennel can easily dry.

2. Water and fertilizer management. When the seedling height is about 20 centimeters, the water is poured 1 times, the amount of water is moderate, and 10 to 15 kg of urea is topdressed with watering.

6. Harvesting

The seedlings can be harvested at a height of 30 cm and can be harvested in succession or at a time. Generally, the yield is 2,000 to 3,000 kilograms per mu, and the maximum yield can reach 3,500 kilograms.

VII. Pest Control

The growth cycle of fennel is short and the disease is few, mainly anisomyces sclerotiorum, and insect pests are mainly aphids.

1. Sclerotinia. The appearance of diseased plants was withered, and the diseased part was brown and moist or soft and rot. The surface was covered with spider mycorrhizal fungi, ie, mycelium, and black brown mouse fecal nucleus was generated on the surface and stem cavity of the diseased part. At the beginning of the onset, spray 50% Suo Ke Ling wettable powder 1500 to 2000 times liquid or 40% Sclerotium net wettable powder 1000 times, spray once every 7 days, even spray 3 to 4 times.

2. Locusts. Available 50% anti-inferiority WP, 10 to 18 grams per acre, spray 30 to 50 kg of water.

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