1. Top dressing management.
The first topdressing in the seedlings after the planting to 4 true leaves, every 667 apply compound fertilizer 15kg, and then every 20 days of topdressing. From the early flowering stage to the fruit harvest stage, phosphorus and potassium fertilizers were mainly used, 10kg of diammonium phosphate and 10kg of potassium sulfate were applied every 667, and potassium dihydrogen phosphate and borax were sprayed once every 10 days or so.
2. Watering management.
Drip irrigation should be used for watering, reduce the indoor air temperature of the shed, increase the soil temperature, and the relative humidity of the air in the greenhouse is about 70%, so that the strawberry can be "wet but not waterlogged, dry but not drought" in the whole growth period.
3. Temperature management.
Strawberries have very strict temperature requirements, and too high or too low indoor temperature will affect the growth and yield of strawberries, so it is necessary to strengthen the management of temperature. Temperature requirements during the growing season: 20 28 during the day, 8 15 at night; Flowering period: 20 25 during the day, 8 10 at night; Fruit expansion and harvest period: 18 25 during the day, 5 8 at night.
4. Light management.
The short sunshine time and insufficient light in winter are an important factor restricting the growth of strawberries cultivated in solar greenhouses. Supplemental lighting is an important management measure, and reflective film can be hung on the back wall; The shed film with good light transmittance is used to clean the dust on the film every 20d or so, and a 100W incandescent lamp is installed in the shed, with a height of 1 from the surface5m, the lamp spacing is 3m, and the light is irradiated for 4 5h before the curtain is opened or after the curtain is covered, so as to improve the light time of the strawberry and meet the light requirements.
5. Plant management.
In the process of strawberry growth and development, old leaves and yellow leaves will be produced, which should be removed in time to reduce nutrient consumption. The strawberry growth process will also extract stolons, consume the nutrients of the mother plant, affect the differentiation of flower buds, reduce the yield, and should be removed in time. In the management of strawberry flowers and fruits, it is necessary to thin flowers and fruits, reduce nutrient consumption, and increase fruit yield and quality. During the flowering period, many weak flowers and small flowers will grow, and they should be removed in time. Strawberries cultivated in solar greenhouses are closed and poorly ventilated, so auxiliary pollination is required. Bees can be used for pollination, with a box of bees in each shed.
6. Pest control.
In the control of strawberry diseases and insects, it is necessary to prevent them in advance and control the occurrence of diseases and insects. Root rot should be controlled with 58% methafen manganese zinc or 50% carbendazim 600 times solution. Powdery mildew is easy to use 20% powdery rust 1000 times solution, or 30% ether bacterial lipid 1000 1500 times solution for prevention and control. Botrytis can be controlled with 50% Suclin 1000 times or 10% polyantimycin 500 1000 times. Spider mites can be controlled with 18% avermectin 5000 times solution or 34% spirodifen.
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