1. The land of leeks should be leveled to facilitate even watering.
2. Spread a layer of ripe farmyard fertilizer and then deep-dip.
3. The amount of fertilizer used per acre should not exceed 25 kg. If it exceeds the soil of leeks, it will be prone to salinization. Freshly sprouted leeks will be burned to death and cause serious seedling deficiency.
4. When the leeks outcrop, they must be watered and the leeks must not be held in the dirt during this period. At the same time, combine irrigation with water to prevent ground lice.
5. Wait for the seedlings to go out and fight a drug that can prevent dying.
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