Clear the ditch and lower the water table. Eliminate accumulated water, control the humidity in the field, make asparagus grow as much as possible in a drier environment, reduce the spread of fleshy root rot.
Ventilation and dehumidification. Pull the membrane around the greenhouse to prevent the asparagus from inducing stem blight and other diseases under high temperature and high humidity.
Disease prevention and treatment. Remove dead branches in time to reduce the occurrence of diseases; when the flooding time is long, the field can cut half of the leaf layer in the upper part of the plant, or re-feed the mother stem to reduce the transpiration consumption of the plant.
Cultivating and fertilizing. After being flooded, the soil is easy to be knotted, and the fertilizer loss is large. After the water is reclaimed, the soil should be loosened as soon as possible to increase the soil aeration and reduce the humidity in the field. If necessary, the soil near the fleshy root of the asparagus should be dried and disinfected to promote the root growth. Foliar application of new high-fat film + vegetable strong stem spirit, inhibiting the replication of pathogens, reducing its resistance and dosage, and improving the effect of pesticides. The root dressing is carried out once every 5-7 days. The root can be used for root irrigation with root fertilizer, which can induce the absorption, digestion and release of NPK and various trace elements in the soil by asparagus, and enhance the positive energy of asparagus development. Optimize fruit quality and enhance the resistance of asparagus to disease.
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