Spring is the period between the vegetative and reproductive growth of strawberry. Strengthening the management of strawberry in the spring is extremely important to improve the yield and quality of strawberries.
First, attention should be paid to removing the film and hardening the seedlings in a timely manner: when the average temperature on the day is stable at around 10°C, the winter-warming coverings must begin to be removed. After the cover is opened, the dead leaves, diseased leaves, and old leaves should be promptly removed to improve the light transmission conditions and prevent the occurrence of diseases.
Prevention of pests: Shallow earthworms in early spring, effectively eradicating eggs and larvae from weeds and soil. Suspended sulfur lamps in the greenhouse for fumigation can have preventive effects on gray mold, powdery mildew and small pests such as aphids and red spiders.
The second is to pay attention to the cultivating and cultivating tillage: timely cultivating weeds and loose soil after the Spring Festival, to avoid damaging the roots of the strawberry and to prevent the block from pressing down the seedlings; to clean up the drainage ditch, waist ditch, and gutter in time to eliminate waterlogging .
The third is to pay attention to timely top-dressing watering: to combine watering topdressing once fat, apply 10-15 kg of urea per acre or compound fertilizer 20-30 kg; in mid-April before strawberry flowering before chasing a flower before the fertilizer, mu 10-15 kg of compound fertilizer; In addition, spraying 2-3 times of potassium dihydrogen phosphate solution 2-3 times in the fruiting stage of flowering will help improve the yield and quality.
The fourth is to pay attention to sparse flowering buds: the first open flower on the strawberry inflorescence is good, and the fruit is large and mature. Therefore, after the budding of the strawberry, the thin buds should be eliminated to reduce the nutrient consumption, so that the fruits are large and neat, mature and early, and the quality is good. The late buds that are 20%-25% are neglected.
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