The eggplant seedling stage is divided into two squatting seedlings, and it is important to control water and temperature.
Squatting for the first time:
Seedling training: Eggplant seedlings are planted for about 25 days, and the eggplant seedlings should be separated when they have grown to five leaves and one heart. The seedbed of the seedlings should be fully drenched. The seedlings are divided according to the row spacing of 10×10 cm, and the transplanting depth of the divided seedlings is generally about 2 cm (do not bury the cotyledons).
Control temperature: Cover the shading net and increase the air outlet. After the seedlings are divided, during the slow seedling period, the temperature during the day is controlled at 28℃～32℃, and at night it is controlled at 20℃～25℃ to prevent the seedlings from growing.
Control watering: Water the eggplant seedlings as little as possible, and adjust the growth of the seedlings by controlling the amount of watering. Before planting, in order to slow down the seedlings, be sure to bring the soil lumps for planting (appropriate amount of water can be sprayed to make the seedling soil lumps). Experts remind everyone that when the seedlings grow excessively (the seedling age reaches more than 20 days), they can be planted in advance.
The second squat seedling:
After the second squatting seedlings are planted, measures can be taken to regulate the temperature of the shed and rationally manage fertilizer and water.
Temperature control: the best temperature range after planting, the temperature should be controlled at about 28℃ during the day and 15℃ at night. As the light intensity weakens during the day and the temperature decreases, the air volume can be appropriately increased during sunny days and kept at about 15℃ The temperature difference between day and night. When the sun is too strong at noon on a sunny day in summer and autumn, sunshade nets can be set up for shade.
Control watering: After watering the planting water, it is necessary to hoe in time to maintain the soil moisture. In order to enhance the lignification of the eggplant seedlings, the number of watering and the amount of water must be controlled in the early stage. After the shed is closed, the roots of the eggplant on the ground surface will grow. Don't rush to water and topdress the white roots. Use this time period to squat the seedlings for the second time, to promote the roots to lay down, and the roots are deep and the leaves are luxuriant.
After squatting the seedlings twice, the eggplant stems are reddish in color, the stem internodes are short and thick, and the leaves are deep and thick. This is the most important feature of high yield and high yield in the future.
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