This is because when the seedlings are transplanted, the plant loses water due to high temperature and low humidity, resulting in dead seedlings. In the spring, the temperature rises quickly, the temperature in the shed is high, and the evaporation is large. In the open air, although the temperature is not too high, the air humidity is lower than that in the greenhouse and the evaporation is greater. However, the root system of the newly planted or transplanted plants has not been recovered, and there is almost no absorption. Capability, if not shaded, cooled, and humidified, could easily lead to dehydration, desiccation and dead seedlings.
It is recommended that farmers' friends take the following measures:
1. Choose cloudy planting.
2. Take soil as much as possible to raise the seedlings, and less damage to the roots, which will facilitate rapid seedlings after planting or transplanting.
3. Shade, cooling, moisturizing, shade nets can be covered in the greenhouse or in a small shed, a small arch shed covered shade nets or fiber bags, newspapers, etc. to shade, cooling.
4. After the planting or transplanting, it will be irrigated with water, and it will be watered in time according to soil moisture to keep the soil moist. Do not apply fertilizer immediately. After the seedlings begin to grow normally, topdressing again.
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