How to grow autumn celery
Always water after planting to prevent drought and cracks on the surface. When new leaves are grown 10 days later, stop watering, cultivating loose soil between rows, and then watering after 2~3 days. After 4~5 days, do not water, carry out seedlings and promote hair roots. 15 days after the slow seedling, 15 kg of urea per mu is applied to promote seedling growth. After the plant is closed, due to the moist soil, a large number of white roots will spread out to the surface, and the temperature is suitable. It is a good opportunity to capture high yield. To achieve water and fertilizer attack, 7-10 days to catch a fertilizer, and 20 kg of urea to ensure that it does not take off. fat. The last top dressing is to be completed half a month before harvest. Starting from about 20 days before harvest, 0.3% urea + 0.3% to 0.5% potassium dihydrogen phosphate was sprayed once every 3 to 5 days. Before and after the cold dew, the temperature drops and the growth is slow. The water can be poured every 10~15 days. The 920 is sprayed 20 days before the harvest, the first time is 30ppm, and the spray is once again after 3~5 days, the concentration is 35ppm. When the minimum temperature reaches -2 °C at night, it begins to be harvested or stored. (Ning Jie)
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