Cultivate strong seedlings
Select the robust seedlings that grow on the stems of strawberry stalks and transplant them to the open seedbeds or plastic rakes for nursery. It is required that the seedling bed soil or ramie soil has good water retention and air permeability, and the sunshade nets should be used to cool the strawberries after transplanting.
Reasonable colonization
Before the planting, the soil in the colonization greenhouse was ploughed. At the same time, Mushi is cultivating 3000-4000 kg of miscellaneous manure, 50-60 kg of compound fertilizer as a base, and then it will be used as a hoe. The width of the ridge (even the ditch) will be 1 meter. The width of the 6 metre wide standard shed will be 6 inches. The depth of the sewer will be 25-30. cm. In the middle and late September, the new leaves were selected for normal development. Symmetrical lobule, thick green leaves with thick petiole, large leaves, robust growth, and good seedling yield.
Temperature and humidity control
The general daytime temperature is controlled between 25°C and -28°C, do not exceed 30°C, and 7°C is appropriate at night. The initial flowering period is maintained at 25°C and the flowering period is controlled at 23°C. Between the end of December and the end of January, when the temperature of the shed is lower than 5°C, a small arch shed membrane should be installed in the shed, and a three-layer membrane insulation should be used at extreme low temperatures. The humidity in the greenhouse is controlled below 80% before flowering, and it is appropriate to control flowering to fruit enlargement at 60%. To prevent the onset of high temperature and humidity, spray 800 times liquid of “new high-fat film†emulsion once every 10 days for a total of 2 times. In April of the next year, the temperature has significantly increased, and the surrounding membranes on both sides of the greenhouse can be removed to increase the ventilation volume. This will bring about cooling and dehumidification and prolong the fruit production period.
Fertilizer management
According to the growth of strawberry timely supplement of phosphorus and potassium fertilizers and multiple trace elements. There should be sufficient water throughout the growth process, and the soil moisture during the flowering period can be slightly dry, and more water is required during the vigorous growth period of the strawberry and the berry expansion period. Irrigation can be carried out in combination with fertilization. The fertilizer is dissolved in water and formulated into a solution of about 1000 times. After the spring of the second year, as the temperature rises, the production rate is accelerated. To prevent the acidification of strawberry fruits, potassium fertilizer should be applied to apply about 0.3 kg of potassium sulfate per mu. In addition, in the flowering, young fruit, fruit expansion period of spraying "melon and fruit Tingling" plus 0.3% -0.5% urea plus 0.3% potassium dihydrogen phosphate solution, 0.1-0.2 kg of urea per plant, supplement fruit growth Nutrients needed to improve grouting quality.
Pest Control
The main pests are aphids, leafhoppers, gray mold, powdery mildew and bud blight. For locusts and spider mites, 20% synergistic phytosteril and 40% dimethoate can be 1500 times. Botrytis cinerea is most prone to occur in high temperature and high humidity and vigorous growth of strawberry. It can be controlled by 800 times of 50% quick keratin, and the effect is very good. For bud blight, pick old leaves, ventilate and transmit light, and spray 1000 times of polyoxin agent or 600 times of aqueous solution of enemy bacteria every other week.
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