In some places, though, iron is the limiting nutrient. Adding iron to such places should cause a bloom of planktonic algae, thus sucking carbon dioxide out of the atmosphere.

然而在一些地方却缺少铁物质，在这些地方添加铁物质可以产生茂密的浮游藻类，并因此能从大气层中吸取二氧化碳。

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Those researchers, led by Wajih Naqvi and Victor Smetacek, created a bloom of phytoplankton by fertilising an area of 300 square kilometres with six tonnes of iron sulphate, which dissolves in water.

这些由Wajih Naqvi和维克多•斯莫塔希克领导的研究者给300平方公里的海域里面投加了6吨的可溶于水的硫酸铁作为浮游生物的肥料已让他们生长。

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The basic control functions of RH vacuum installation for bloom CCM in PANGANG Iron & Steel Group Co. are presented, emphasizing the vacuum pump control system.

介绍攀钢方坯RH精炼装置真空系统基本控制功能，侧重介绍真空泵系统的功能和其相关系统控制。

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But after the volcano there's been a lot more iron falling in to the ocean, so we have a fantastic opportunity to check whether iron makes the bloom last longer.

CNN: Could volcanic eruptions signal boom time for ocean life?

So while the additional dissolved iron triggered an earlier-than-usual phytoplankton bloom, as the metal triggered growth in a greater number of phytoplankton cells, the bloom was only 15-20% larger than normal because the growth was limited by the amount of available nitrogen, another vital ingredient required for the organisms to develop.

BBC: Iceland volcano ash cloud triggers plankton bloom