Pomegranate young trees prevent severe winter "draft" method 5
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1. Variety selection: The varieties with strong cold resistance should be selected for cultivation, such as Red Peel Sweet No. 1, Black Seed Sweet, Green Peel Sweet No. 1, and Giant Seed Honey.
2. Strengthen fertilizer and water management: 1 to 2 years old saplings, in the growth period from July to September should be increased phosphorus, potassium fertilizer, control nitrogen fertilizer, reduce the number of watering, so that the new shoots stop growing, so that the plant is fully lignified.
3. Take heart timely: In mid-August, timely removal of new shoot growth points, control shoot growth, promote nutrient accumulation; at the same time, remove buds sprouted at the shoot topping to ensure that the shoots are fully mature and enhance their ability to withstand cold in winter.
4. Chemical cold protection: In early August, the leaves were sprayed with paclobutrazol 300 times to control the shoot growth and promote shoots enrichment. After defoliating the plants in 211, Vaseline was applied to shoot shoots to significantly enhance their ability to resist cold. From late December to early March, the canopy was sprayed with 5% lime milk to reduce shoot transpiration.
5. Buried against cold: To seedlings planted in the north of Dezhou, Shandong, the young branches were bent and buried in early November to prevent the branches from dehydration and freezing. The buried depth is 30 cm. In early March of the following year, the branches will be unburied.