What to watch for apple trees in the spring

The top dressing in spring is about to begin in early April. This top-dressing mainly meets the needs of nutrient budding, flowering, fruit setting and shoot growth to promote flowering and fruit setting, rapid shoot length, and rapid formation of functional leaves. Pay attention to two points in the spring topdressing: First, for the weak tree vigor, rot, rosy ring disease, ulcerative dry rot (oil point) and fruit orchard with large amount of fruit, you can continuously top dressing twice in this period, interval Two weeks. Second, for orchards that use farmyard fertilizers year after year, insecticides can be added to fertilizers due to the large number of underground pests. For orchards with severe root rot, fungicides can be added to the fertilizer.

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