First, timely broadcast. Summer sowing celery from the emergence of the market to harvest, need about 55 days of growth period. Well-cultivated, stems more than 40 cm high, more than 2,500 kg per mu. In order to ensure that Celery from late September to pre-City National Day, it is required to sow before July 20.
Second, plowing. Wet field plots were selected for planting, and rice fields were generally used to make the sulcus width 1.5 meters. The sorghum surface was flat and loose to facilitate seedling growth and development.
Third, germination sowing. Seeding celery in the hot season, the emergence of slower, uneven growth at the seedling stage, while the celery seed is small, the emergence of more difficult, it is appropriate to use low temperature germination sowing. Specific approach: The seeds of celery soaked with water for 15-16 hours, and then drained with gauze wrap, and heat preservation in the refrigerator within 5 degrees below the temperature within the germination, 48 hours after the removal of the seed, if already exposed white can be sown, such as If there is no dew, you can spread the seeds in the cool shade of the room until the seeds are white and sow. After sowing, the straw was covered with heat and sun, and the seedlings were peeled off. Use 1.5 kg per mu.
Fourth, rational fertilization. The growth period of summer celery is short, so the application of nitrogen fertilizer is mainly to promote the growth of stems and leaves. In the fertilization technology, we should master the principle of “applying basic fertilizers and applying thin fertilizers early.†Generally when ploughing Mushi fertilizer compound fertilizer 40-50 kg for the base fertilizer 5-7 days after emergence of the first top dressing fertilizer urea 10 kg, after every 8-10 days a top dressing, Mushi urea 10-12 kg, Generally need to catch fertilizer 4 times, with the increase of celery plants, the amount of fertilizer should also increase. When it is sunny, you must top-dress fertilizer in the evening to prevent high-temperature burning seedlings.
Fifth, field management. After the summer celery live seedlings, generally weeding 2-3 times until the celery seal line. The combination of seedlings, make up seedlings, and promote the uniform growth of seedlings. The growth and development of summer celery requires moist environmental conditions. From the start of sowing until the harvest of celery is on the market, it is necessary to ensure that the field is moist and the water in the sulcus to facilitate the growth of stems and leaves. At the same time, attention should be paid to the control of leaf blight, cabbage caterpillars, and vegetable worms during growth.
Six, timely harvest. The celery stem has a good quality and a high yield of 40 cm, with green stems and leaves. At this time harvest market price is high
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