First, the small water in the seedling stage is poured. When the celery buds top the soil, gently pour water and spray a new high-fat film, and 1-2 days of seedlings can be used. After that, keep the soil moist and a small amount of water. If the amount of water is too large, the seedlings tend to be prolonged or rotten. When the seedling height is nearly 10 cm, it can be topdressed with water 1-2 times. The second is to carry out seedlings after planting the seedlings. Diligent pouring and light pouring keep the soil moist, promote the roots to sag, and accelerate the differentiation of heart leaves. If the water is too large, the outer leaves are prone to be long, and the leaf heart is not developed, which is prone to disease. The third is to increase the amount of fertilizer applied during the vegetative growth period. After the end of the seedlings, the quick-acting nitrogen fertilizer should be applied immediately. After the 1-2 times of potash fertilizer and spraying the vegetable strong stems, the positive energy of the plant ecological growth can be activated, the plant conduit path can be broadened, the plant water absorption and fertilizer absorption can be enhanced, and the yield can be increased. And quality.

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