In the spring of cultivation, we shall timely cultivate weeds and loosen soil in order to avoid injuring the roots and prevent the clods from squeezing the seedlings. The middle cultivator shall be combined with the Qinggou polders to clean up the drains, the gutters, and the gutters in time. Ditches and trenches, etc., to eliminate waterlogging; after the strawberry grows, it is necessary to cut off old dry leaves and diseased leaves in time, and bring out concentrated fertilizers from outside the field to prevent recurrence of diseases. 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 or 20 to 30 kg of compound fertilizer per mu; in mid-April, the fertilizer will be collected before flowering, and the compound fertilizer will be used per mu. 10 to 15 kg; In addition, the application of 0.3% potassium dihydrogen phosphate two to three times during the fruiting period of the flowering stage will help improve the yield and quality. The flowers that bloom on the inflorescence of the sparsely flowering buds have a good result, and the fruit is large and mature. Therefore, after budding, the buds should be thinned to reduce nutrient consumption, so that the fruits are large and tidy, mature early and of good quality. Discard 20% to 25% of late weak buds. After cutting off the old leaf strawberry, it is necessary to promptly cut off the dried old leaves and diseased leaves in order to improve the ventilation and light transmission performance 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. Prevention of pests 1. Shallow earthworms in early spring, effectively eradicating eggs and larvae from weeds and soil. 2. Use 200 g of 90% crystal trichlorfon or 200 to 300 g of 50% phoxim emulsion per acre, dilute 500 to 700 times, and then water the roots. 3. For 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 spray, virus disease is mainly It is transmitted by the locusts and can be treated with 40% omethoate 800 times as early as possible. It is forbidden to use chemical pesticides during fruit ripening. Anti-rot fruit strawberry plants are dwarf, fruit is easy to grow to the ground, causing pollution and rot, affecting both yield and quality. It can be planted around the plants with hay after flowering 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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Spring Strawberry Management Measures
Unmasking Mulching Seedlings 1. When the average temperature on the day is stable at around 10°C, the winter-worn cover must begin to be removed. 2. Be careful when exposing to prevent breaking flower buds. If the agricultural film cover should be exposed during the day, cover it at night, and then gradually remove the film to avoid excessive temperature difference, affecting the normal growth of strawberries; after uncovering the cover, the leaves, diseased leaves, and old leaves should be promptly removed to improve light transmission. Conditions to prevent the occurrence of diseases.