Strengthen the management of strawberry in spring and make strawberry grow well with early results, high quality and high yield. The specific requirements are:
1. Unmasking Miao Miao: When the average temperature on the day is stable at around 10°C, the winter-worn coverings must be removed; when exposed, care should be taken to prevent breakage of flower buds; for example, agricultural film should be covered during the day, covered at night, and then gradually uncovered. Membrane, in order to avoid too large temperature difference, affect the normal growth of strawberries; after uncovering the cover, the leaves should be promptly removed, diseased leaves, old leaves removed to improve the light conditions to prevent the occurrence of diseases.
2. The cultivator: After the spring, timely cultivating, weeding and cultivating soil shall be carried out in order to avoid injuring the roots and preventing the clods from squeezing the seedlings. The cultivator shall be combined with the Qinggou rake, and the drains, the gutters, and the gutters shall be cleared in time. , ditch, etc., to eliminate waterlogging; after the strawberry begins to grow, it is necessary to timely remove the dried old leaves and diseased leaves, and bring out the field outside the stacking of manure to prevent disease re-infection.
3. Timely top-dressing: In the middle and late March, it is necessary to combine top-dressing with watering, applying 10 to 15 kg of urea per acre or 20 to 30 kg of compound fertilizer; before the flowering in mid-April, it will be followed by a pre-flowering fertilizer. 10 to 15 kg of compound fertilizer; In addition, spraying 0.3 to 3% of potassium dihydrogen phosphate two or three times during the fruiting period of the flowering stage will help improve yield and quality.
4. Sparse flowering buds: The flowers that bloom first on the inflorescences of strawberry have good results, and the fruits are 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 tidy, mature early, and have good quality. . Discard 20% to 25% of late weak buds.
5. Prevention and control of pests: After the spring, the underground pests begin to move. If tigers, cockroaches, and golden worms are found to be harmful to the roots and stems of strawberries, countermeasures can be taken: 1 Shallow earthworms in early spring, effectively eradicating the eggs of weeds and soils. , larvae; 2 per acre with 90% crystal trichlorfon 200 grams or 50% phoxim emulsion 200 to 300 grams, 500 to 700 times water, and then watering the root; leaf spot, gray mold, bud blight , powdery mildew and other diseases, timely prevention in the early spring, can be used 50% carbendazim or 70% thiophanate 500 ~ 800 times liquid spray, virus disease is mainly transmitted by aphids, can be used as soon as possible with 40% oxidative music Fruit 800 times spray control, pay attention to prohibit the use of chemical pesticides in fruit maturity.
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