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1 Jan 1863 Jahr - Nitrogen Fixation [1863] As one of the most important biochemical processes on the Earth, Hermann Helliriegel is credited to the discovery of the tubercles on the roots as the agency through which nitrogen fixation takes place.

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TECH EXPO

ByNicholas Yu
7 Sep 2017
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1 Jan 1863 Jahr
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~ 162 years ago

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