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呼和浩特地区在三、四月,有一段时间气温较高,易使葡萄根系萌动。如果此时撤防寒土,使葡萄受到晚霜危害;不撤防寒土,葡萄根系在温度达到5～9℃时,就要开始萌动。特别是庭院内栽植的葡萄,因受小气候的影响,更容易萌动。
Hohhot area in March and April, a period of high temperatures, easy to root sprouting of the grape. If you remove the cold at this time, the grapes by night frost damage; do not disarm the cold, grape roots in the temperature reaches 5 ~ 9 ℃, it is necessary to germinate. Especially grapes planted in the courtyard, due to the impact of the microclimate, more susceptible to germination.