Winter frost control measures for passion fruit orchards
1. Harvest in advance
If the winter cold wave is severe, the fruit can be harvested in advance, which can reduce the fruit drop caused by the sudden drop in temperature. However, if the fruit of the passion fruit does not change color, it is not recommended to pick it in advance.
2. The passion fruit garden seedlings wrapped in cold materials, roof cover film
For the passion fruit orchard that intends to stay in the winter for the seedlings, you can whiten the main vine of the passion fruit, or wrap it with cold materials such as straw. The fruit bowl of the passion fruit tree is sprinkled with ash or farmyard fertilizer, and the conditional orchard can be covered with film on the roof to prevent freezing and keeping warm.
3. The new species of passion fruit seedlings set of insulation tube antifreeze
For the passion fruit orchard of autumn and winter seedlings, a heat-insulating cylinder with a diameter of 30-50 cm can be made with a coating and a transparent glue to seal the upper part of the passion fruit plant, and the roots of the plant are fixed with 3-4 bamboo strips, and compacted with soil. Form a small greenhouse to prevent cold and freeze.
4. Refine the seedling shed to warm and cold
For the orchard that has been "small cup for big cup" and intends to cultivate the passion fruit seedlings and then go down to the ground, after changing the cup, put the seedlings in the smelting shed. When the temperature in the shed is too low, the temperature can be raised through the "small shed". The electric fan and other facilities can be used to warm and keep warm.
5. Smoked and frozen
It is also possible to freeze the orchard by smoking, but this measure is better for the smaller area of the passion fruit orchard.
6. Irrigation for antifreeze
If you encounter continuous freezing rain and the temperature is lower than 10 °C, you can pump the horse water in time to have a certain effect of increasing the soil temperature. In the area of the passion fruit orchard with frost damage, the frost damage can be reduced by spraying water in time.
7. Applying hot fertilizer
Applying hot fertilizer to the passion fruit orchard and applying organic fertilizer to the root can improve the cold resistance of the passion fruit plant.
8. China vineyards antifrost candles
The method of igniting China vineyards antifrost candle and fumigation is similar. Only the China vineyards antifrost candle is to warm the fruit trees by the heat around the flame. The benefit of this method is that it is suitable for any area of the orchard, as the amount of China vineyards antifrost candles is not limited. As long as you have enough money to buy enough China vineyards antifrost candles, your orchard will be fully protected.
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