Leek flower cultivation points

In recent years, because of its high nutritional value, leeks are rich in vitamins, minerals, fiber, protein, carbohydrates, and calories. They have unique flavors and are popular with consumers at home and abroad. The leek flower varieties introduced from Taiwan have been favored by the majority of growers for their high yield and high quality. The planting area in the province has been increasing year by year. I. Variety Selection The current Taichung No. 11 and Taichung No. 13 lotus varieties introduced from Taiwan are the main varieties for market cultivation. The plant has strong growth force, many tillers, cold and heat resistance, fast growth, bolting early, stout moss, delicious taste, good quality, can be harvested throughout the year, with an average yield of 1000-2000 kg per mu. Second, sowing nursery 1, sowing date: Available seed and ramets two methods for breeding, and now mostly seed-based breeding, generally in August after the start of concentrated nursery. 2. Sowing and raising seedlings: The use of seeds per acre is 0.5 kg. Before the planting, the whole plant shall be smashed. The width of each ditch shall be 1.5 m. The screed shall be leveled. The shallow ditch shall be straight out of the surface of the flat surface, 6 cm wide and 2 cm deep. The seeds were sowed in the ditch. After sowing, the sorghum was flattened, and the loose soil was lightly pressed. After the sowing, the plants were watered and then poured every 2 days to keep the soil moist. 20 days after the seed germination emerged, thin fertilizer was applied once, and drainage was noted in rainy days. The occurrence of diseases and insect pests was noted and management was strengthened. Third, the choice of land and for the leek bogey acid soil, pH value of 5.6-6.5 is more appropriate, sand, loam, clay can be cultivated, but with good drainage, soil fertile loam is the most ideal. 1.5 meters from the ditch ditch, leaving a work line across the ditch, surrounded by deep ditch to facilitate drainage, Mushi quality 3,500 kilograms of fertilizer or soil mixed fertilizer 3,000 kilograms, compound fertilizer, 60 kilograms as base fertilizer. IV. Colonization from 70 to 80 days after sowing The leek seedlings can be planted in Daejeon when each tiller is 2-3, and the planting line spacing is generally 2724 cm, 4-6 per hole, which can be adjusted according to growers' habits. . When planting, attention should be paid to the planting depth. Immediately after planting, watering should be performed once to facilitate survival. Fifth, field management 1, fertilization: Leek flower is a fat-tolerant vegetable, and the growth period is long, so a sufficient amount of fertilizer must be applied during cultivation. In general, more nitrogen can increase the yield, fiber is less and tender, appropriate amount of phosphorus can promote the development of root groups and bolting, potassium can increase the degree of disease resistance, but multiple applications will make the fiber thicker and lower quality. At the seedling stage, the leek flower is usually applied once every 10-15 days for dilute human excrement or 2% urea or once every day for 7-10 days. Nitrogen, phosphorus, and potassium are applied during the bolting period, but nitrogen fertilizer is the main fertilizer, and 16 kg of compound fertilizer can be applied every 10-15 days. Pay attention to the application of phosphate fertilizer, but too much will reduce the yield. 2, boiled vegetables avoid moisture, so in the cultivation of leek flowers in case of rainfall should pay attention to drainage, no water phenomenon. However, long-term drought will reduce the number of tillers, leaf shortening and bolting will be short and fine. Therefore, we must pay attention to the fact that the soil is often kept moist, and it is irrigated as appropriate to allow it to develop normally. For example, in high-water areas, when building a sorghum, it is important not to make the water level above the rhizosphere so as not to hinder the development of the root group. 3. From the second year of cultivation, a 5-7 cm thick slack soil mulch is applied to the surface of the sorghum every spring to facilitate the development of a strong root system. VI. Pest Control 1. Shepherd's rust disease: The main damage leaf of leeks rust, which occurs severely at 15-20°C and relative humidity above 90%, can be sprayed with 65% zeocin 400 times. 2, leek disease: leek disease occurs in wet and humid season, can spray 58% virgin mildew powder 600 times or 64% antiviral WP 500 times liquid control. 3, leek gray mold: can be sprayed 50% Sikkim 1000 times prevention. 4, onion thrips: can spray 90% methomyl WP or 25% bromothion. 5. Liriomyzae: It can be sprayed with 50% imidophos 1000 times to control. 6. Alum: It can be controlled with 75% phoxim 500 times. VII. Picking and removing insects Leafhoppers Extracting flowering mosses that are still young before flowering, are sold in bundles at the grade of flower moss, harvested once a day or every other day, and harvested once every 2-3 days in case of low temperatures. . 8. Variety Update Although the leek is a perennial crop, in the natural state, generally 5-6 years later, the ability of tillering will be weakened and the growth potential will be declining. The leeks that mainly take on the flowers and moss will be renewed after 3-4 years of sowing. Otherwise, after many harvests, it will gradually become weak, the stems and leaves will be short, the quality of the flower moss will be poor, and the value of commodities will be lost.

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