Autumn sow harvesting is a common cultivation method for open celery. To avoid the slow growth of celery in the low-temperature conditions in autumn and the winter frost and snow disasters, some celery stems and leaves wither, and the phenomenon of unstable yield is not high. I have jurisdiction over the town of Wang Lanzhuang. Ma Zhuangzi Village Liu Xue, Liu Eran and other shed owners in order to increase celery production, increase economic efficiency, the celery moved to the greenhouse to plant, effectively circumventing the natural environment on the growth of celery unfavorable factors, but before the Spring Festival is the sales season of celery, the price High again. In this way, not only the output is high and the quality is good, but the economic benefits are also growing simultaneously. The greenhouse celery cultivation technology is simple, easy to manage, and the number of pests and diseases is relatively small. The main fertilizer and water management technologies of the celery in greenhouses are described as follows:
1. Planting water after planting will take about 3 days to survive. After 7 days, new leaves will be sprouted to keep the soil moist and avoid drought.
2. After 15 days of planting, seedlings should be planted for 5-7 days to promote root down-shooting and new leaf differentiation. When the plants are thick, the seedlings are finished when the leaves are dark green, and water is poured every 5-7 days to keep the surface dry and wet.
3, planting about 30 days, the plant grows to 30 centimeters, enters the vigorous growth period, pours water once every 3-4 days, and after the seedlings are finished, 500 kilograms of human excrement or 15 kilograms of compound fertilizer per acre with water, After 15 kg of compound fertilizer was applied every 15 days, the fertilizer was stopped 20 days before harvest.
4, if the late lack of fertilizer, leaves yellowing, spraying 0.3% urea or foliar spray 0.3% of potassium dihydrogen phosphate to promote growth.
5, when chemical fertilizers are to be dispersed after the dew dew at noon, high temperature and rainy season, topdressing with nitrogen fertilizer, without human waste, so as not to rot.
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Echinacea is a genus or group of herbaceous flowering plants in the daisy family. The Echinacea genus has nine species, which are commonly called purple coneflowers. They are found only in eastern and central North America, where they are found growing in moist to dry prairies and open wooded areas. They have large, showy heads of composite flowers, blooming from early to late summer. These flowering plants and their parts have different uses. Some species are cultivated in gardens for their showy flowers. Echinacea purpurea is used in folk medicine. Two of the species, E. tennesseensis, and E. laevigata, are listed in the United States as endangered species.
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