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不同时期NaCl胁迫对甜菜生长及光合作用的影响
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The Effects of NaCl Stress on Growth and Photosynthesis of Sugarbeet at Different Growth Stages
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图4. 不同NaCl浓度胁迫下甜菜叶片Pn和Hill的变化 |
Fig.4. Changes of Pn and Hill under different NaCl concentrations |
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