Facility winter and spring management of strawberries
1. Appropriate warming: heating is generally performed at night, during the day temperature is controlled at 20 ~ 25 degrees, the minimum temperature at night is above 10 degrees.
2. Reducing humidity: The relative humidity of the air in the shed is controlled below 80%, which effectively controls the occurrence of powdery mildew and other diseases.
3. Increase the light: On a cloudy day, hang a 1.5m wide reflective film on the low light of the northern side of the strawberry shed, or use a white lamp as the light source for additional lighting. Each 100w lamp will illuminate approximately 8 square meters. Raised 1.8m above the north side of the greenhouse.
4. Timely fertilization: combined with watering, each application of compound fertilizer 3 ~ 5kg, flowering results with 0.2% potassium dihydrogen phosphate foliar dressing 2 ~ 3 times.
5. Timely sparse and thinning fruit: 2 to 3 per plant leaves, 3~5 fruit per inflorescence.
6. Timely control of pests and diseases: The main control of powdery mildew and red spiders, medication 2 to 3 times in the growing season.
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