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三段法嫁接是在3月中下旬至4月中旬利用银杏粗枝作中间砧,上嫁接品种接穗,下嫁接自根苗,愈合形成银杏早果树。
Three-stage grafting is in late March to mid-April using ginkgo thick branches as anvil, the grafted varieties of scion, grafted under the root seedlings, healed to form ginkgo trees.