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News Link • Agriculture

Fertilizer Usage and Atmospheric Nitrous Oxide

• arclein
Tracking the origin of nitrous oxide in the atmosphere, however, is difficult because a molecule from a fertilized field looks identical to one from a natural forest or the ocean if you only measure total concentration. But a quirk of microbial metabolism affects the isotope ratio of the nitrogen the N2O microbes give off, producing a tell-tale fingerprint

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