How to ensure that the open-air grapes safely pass winter

Affected by the rainy weather in this year's growing season, the vines in the open-air grapes are greedy and unorganized in the later period. This poses potential problems for the normal wintering. How can we ensure that the open-air grapes safely pass through the winter?

Timely off trim. In late autumn and early winter, the temperature is low, and the wind is strong. Especially in this year's climatic conditions, the grape branches have high water content, and it is easy to increase the evaporation due to the wind. After the grapes are defoliated, they are trimmed according to the proposed yield indicators and then tied with straw ropes or plastic ropes.

Timely buried. According to local weather forecasts and field observations of temperature changes, when the minimum temperature stabilized at about 2°C for five consecutive days, it began to be buried and protected against cold. When you buried, pay attention to the root of the first 30 cm height of the mound, and then the vines along the line to the collapse. And then buried up, the first time the buried should not be too much, so as not to expose the dendrite as a standard.

Timely irrigation. After the grapes are buried, the cold water should be poured and watered once, in order to prevent root freezing damage and drought in early spring. When irrigation, one-time irrigation should be performed, and the soil should be saturated.

Adjust the thickness of buried soil and cold-proof materials. In cold regions, it is necessary to pay attention to the protection of the cold in the second time. Some species that are not tolerant of low temperatures should be buried in the second cold-proof soil before freezing. The thickness of buried soil is generally 15 cm. In order to achieve a better cold-proof effect, when buried in the second cold-proof soil, it can be covered with corn stalks or weeds and then buried. In this way, the temperature of the soil at the base of the grape roots can be significantly increased, which is conducive to safe wintering of the grapes.

Plastic film weeds cold. In the microclimate region where the temperature in winter is not very low, the grapes can be overwrapped and covered with plastic film and then covered with weeds, corn stalks, and horse dung. Finally, apply a thin layer of earth to these coverings.

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