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jan 1, 1863 - 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.
Added to timeline:
TECH EXPO
By
Nicholas Yu
7 Sep 2017
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Date:
jan 1, 1863
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~ 162 years ago
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