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How to engage in cotton seedlings nursery transplanting
Plug seedling transplanting refers to a new type of seedling transplanting technology that is used to fill the substrate with a nutrient solution and is suitable for transplanting seedlings. Plug specifications: length, width, height = 60 cm, 33 cm, 5 cm, 100 to 126 points per plate, 75 to 95 seedlings. The nursery period is from the end of March to the beginning of April. The transplanting period is from the end of April to the beginning of May, and the seedlings have 2 to 3 true leaves. The operating points are: 1 Matrix loading. The seedling substrate (usually a mixture of vermiculite, peat, and Other materials) is placed in a plug tray and the water is sown for broadcast. 2 sowing. Selected fluffy light seeds, one hole and one grain. 3 management. The greenhouse insulation promotes emergence of seedlings, the temperature should not exceed 35°C to prevent high-temperature burning of seedlings; due to the limited matrix substrate space and poor water retention capacity, it is necessary to replenish water daily to prevent drought and seedlings, and at the same time, watering the nutrient solution to promote the growth of cotton seedlings; . 4 transplanting. Fine seedlings are raised to reduce root damage; mulching or ditching (holes) are transplanted and mulching is carried out, while “planting water†is planted on the side of planting, and the poorly-distributed fields need to be replenished with irrigation water to ensure the survival rate of transplanting and rapid seedling growth. .