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Practical experience in achieving stable yields through the renewal of old grapevines
Practical experience in renewing old grapevines for stable yields. Traditional renewal of old vines involves cutting the old vines back hard so that they send out new shoots, with no yield in that year. At the grape experimental garden of the HAIYAN COUNTY INSTITUTE OF AGRICULTURAL SCIENCES in Zhejiang, on 16-year-old and 13-year-old vines of Fujiminori and Zui Jinxiang grapes...