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葡萄冬剪,一股从落叶后10～15天开始至树液流动前1个月内结束。过早,影响枝蔓营养物质的回流和积累;过晚,易引起伤流而影响
Grape winter shears, one from deciduous 10 to 15 days before the end of the tree liquid flow within 1 month. Premature, affecting the return of the branches and nutrients accumulation; too late, easy to cause injury and impact