Greenhouse winter strawberry field management measures

Moisturizing In the northern region from the end of September to the beginning of October, the insulation of membranes will be started. In addition to greenhouses and small sheds, winter strawberries will be covered with insulation. Foliar covering and other insulation measures can also be used.

Temperature and humidity management after the initial colonization requires 25 °C ~ 30 °C during the day, 12 °C ~ 17 °C at night is appropriate, is conducive to early flowering results. During the result period, the shelf temperature does not exceed 20°C to 25°C during the day and 5°C at night (the temperature regulation target is 10°C). Relative humidity of about 50% is appropriate to adjust the humidity by air ventilation.

Top-dressing mastering the principle of thin fertilizer, generally using 0.5% compound fertilizer for pouring, applying light fertilizer after planting live trees, collecting fertilizer for about 20 days, and applying 0.2% potassium dihydrogen phosphate plus 0.4% urea Root dressing outside.

There is no pollination of insects in the artificial pollination winter shed. To avoid the occurrence of malformed fruits, artificial pollination should be carried out. Every day from 8 to 9 am, smearing flowers with a brush or cotton ball has a significant effect on improving yield and fruit yield.

Pest control is easy to occur in the cold and humid weather. The use of 50% speed Keling powder 1000 ~ 1500 times spray effect is good, can also be a smoked Ling No. 1 (chlorothalonil smoke agent), a smoked Ling 2 (Skinking Smoke agent) is smoked or treated with chlorothalonil, carbendazim, etc. The effect is also very good.

Fill the light and fill the light with the light bulb, extend the light for 2 hours each day, which is good for early flowering and early fruiting. While filling the light, the minimum temperature in the shed can be maintained at about 5°C, so that the temperature changes smoothly and the harvest period can also be advanced by about 20 days.

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