葡萄在北方埋土栽培后,春季生长季开始前的首要工作是解除防寒土,即将植株枝蔓出土。出土的时期是在冬季严寒过后,春季土壤开始化冻,植株不能遭受冻害时开始,至葡萄芽眼膨大之前完成。由于早春气温升降变化大,加上干旱多风,故出土时期不宜过早,通常出土上架不宜晚 After the grapes were planted in the northern part of the province, the primary task before the beginning of the spring growing season was to relieve the cold earth and to release the plant branches. Unearthed in the period after the severe cold in winter, the soil began to freeze in the spring, plants can not suffer frost damage began to complete before the bulging bud eyes. Due to the large changes in the temperature rise and fall in early spring, coupled with arid and windy periods, the period of excavated should not be too early, usually not shelves unearthed shelves