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碳/氮比率可作为白榆新梢生根的指标。
C/N ratio can be taken as a rooting index of elm tip.
youdao
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新梢直立,绒毛无,节间浅绿色;
The shoot is erect without villus and the internode is light green.
youdao
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新梢生长呈快-慢-快-较慢的规律。
The shoot growth was a fast-slow-fast-slower rule.
youdao
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新梢叶片数以南京的为最高,昆明的最低。
As to leaf number of new shoot, Nanjing the most, Kunming the least.
youdao
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新梢开始生长含量较低。
At the new shoots growth, the nitrogen amount is lower.
youdao
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随着新梢生长减缓,白藜芦醇含量逐渐降低;
Then it declined with shoot growth being weaken.
youdao
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随着新梢生长减缓,白藜芦醇含量逐渐降低;
Then it declined with shoot growth being weaken.
youdao