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首页> 美国卫生研究院文献>International Journal of Molecular Sciences >Low-Temperature Plasma-Assisted Nitrogen Fixation for Corn Plant Growth and Development
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Low-Temperature Plasma-Assisted Nitrogen Fixation for Corn Plant Growth and Development

机译：低温等离子体辅助氮素固定用于玉米植物生长和发育

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Nitrogen fixation is crucial for plants as it is utilized for the biosynthesis of almost all biomolecules. Most of our atmosphere consists of nitrogen, but plants cannot straightforwardly assimilate this from the air, and natural nitrogen fixation is inadequate to meet the extreme necessities of global nutrition. In this study, nitrogen fixation in water was achieved by an AC-driven non-thermal atmospheric pressure nitrogen plasma jet. In addition, Mg, Al, or Zn was immersed in the water, which neutralized the plasma-treated water and increased the rate of nitrogen reduction to ammonia due to the additional hydrogen generated by the reaction between the plasma-generated acid and metal. The effect of the plasma-activated water, with and without metal ions, on germination and growth in corn plants (Zea Mays) was investigated. The germination rate was found to be higher with plasma-treated water and more efficient in the presence of metal ions. Stem lengths and germination rates were significantly increased with respect to those produced by DI water irrigation. The plants responded to the abundance of nitrogen by producing intensely green leaves because of their increased chlorophyll and protein contents. Based on this report, non-thermal plasma reactors could be used to substantially enhance seed germination and seedling growth.
机译：氮固定对于植物来说至关重要，因为它用于几乎所有生物分子的生物合成。我们的大部分氛围包括氮气，但植物不能直接吸收这种来自空气的植物，而天然的氮固定不足以满足全球营养的极端必需品。在该研究中，通过AC驱动的非热大气压氮等离子体射流实现水中的氮固定。此外，浸入水中的Mg，Al或Zn，其用等离子体处理的水中和等离子体处理的水增加，并且由于等离子体产生的酸和金属之间的反应产生的另外的氢，增加了氮气减少到氨的速率。研究了血浆活化水，有和没有金属离子对玉米植物（Zea Mays）发芽和生长的影响。发现萌发率较高，在金属离子存在下血浆处理水和更有效。关于DI水灌溉产生的那些，茎长和发芽率显着增加。由于其叶绿素和蛋白质含量增加，植物通过产生强烈的绿叶来响应氮的丰度。基于本报告，非热血浆反应器可用于显着增强种子萌发和幼苗生长。

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