1. Unmask the membranes. When the average temperature on the day stabilized at around 10°C, the winter-warming coverings began to be removed. Be careful when you peel off to prevent breaking flower buds. If the agricultural film cover should be exposed during the day, cover at night, and then gradually remove the film, so as to avoid excessive temperature difference, affecting the normal growth of strawberries. 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.
2. The cultivator. Timely cultivating, weeding and ripping should be done in order to avoid hurting the root system and preventing the clods from sinking. The cultivator should be combined with the Qinggou rake to clean the row and irrigation ditch in time to maintain soil moisture. After the strawberry grows, it must be The dry old leaves and diseased leaves will be cut off in time, and the concentrated fertilizer will be taken out of the field to prevent the disease from re-infection.
3 timely fertilizer. In the middle and late March, it is necessary to combine top-dressing with watering, applying 10-15 kg of urea per acre or 20-30 kg of compound fertilizer; before mid-April, it will be followed by a pre-flowering fertilizer, and 10-mu compound fertilizer. 15 kg; In addition, applying 0.3% potassium dihydrogen phosphate solution 2-3 times during the fruiting period of the flowering period is beneficial for improving yield and quality.
4. Sparse buds. The flower that blooms first on the strawberry inflorescence is good and mature. Therefore, after flower buds, thin buds need to be eliminated to reduce nutrient consumption, so that the fruits are large and tidy, mature, and of good quality. Generally neglect 20%-25% of late weak buds.
5. Cut off the old leaves. After the strawberry begins to grow, the dried old leaves and diseased leaves should be cut off in time to improve the ventilation and light transmission between the plants and reduce the field temperature. Cut off the remaining leaves to clear out of the field, and concentrate on stacking and fattening, in order to reduce the source of the disease and prevent the spread of germs.
6. Control pests. Shallow earthworms in early spring can effectively eradicate eggs and larvae in weeds and soils. Apply 200-300 g of 90% crystal trichlorfon or 200-300 g of 50% phoxim emulsion per acre, apply 500-700 times of water and irrigate the roots after preparing the solution, which can effectively prevent and control underground pests. For the prevention and control of various diseases such as leaf spot, gray mold, bud blight, and powdery mildew, 50% carbendazim or 70% thiophanate 500-800 times spray can be used in early spring. Virus disease is mainly transmitted by aphids and can be controlled with 10% imidacloprid 2000 times spray. Note that the use of chemical pesticides is prohibited during fruit ripening.
7. Anti-rotten fruit. Strawberry plants are dwarf, fruit is easy to grow to the ground, causing pollution and rot, and has a great impact on yield and quality. After flowering, it can be planted around the plants with hay so that the fruit does not come into contact with the ground. After the fruit is harvested, the grass will be removed.
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