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为了解决庭院栽培葡萄防寒取土不便的问题,采用以水换土,向取土沟灌水冻冰的方法取得了良好的效果。具体方法:葡萄防寒时在距植株1m左右的行间取土,按常规方法覆土防寒。取土沟要求边缘整齐。沟深60cm,长与宽根据情况而定。土壤上冻后,在日最高气温稳定在0℃以下,冻层深达5cm
In order to solve the problems of inconvenience in the cultivation of grapes in the courtyard, it has achieved good results by the method of changing soil with water and pouring frozen ice into soil ditches. Specific methods: Grape cold in the plant about 1m away from the line of soil, according to the conventional method of soil-covered cold. Take the trench required tidy edges. Ditch deep 60cm, length and width according to the circumstances. After the soil is frozen, the maximum temperature in Japan is stable below 0 ° C, and the frozen layer reaches a depth of 5 cm