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Nitrogen in the environment
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Journal Article
Nitrogen in the environment
2019
Overview
Excess nitrogen causes problems in developed nations, but nitrogen-poor soils threaten food security elsewhere
Human activities have greatly perturbed the global nitrogen cycle. Planetary boundaries, which describe a safe operating space for humanity, have already been exceeded for the nitrogen cycle (
1
). In some parts of the world, excess nitrogen has negative impacts on biological diversity, human health, and climate. However, in other parts of the world, nitrogen shortages mean that food needs cannot be met. This large-scale disturbance of the nitrogen cycle presents considerable challenges that require wide-scale adoption of locally appropriate nitrogen management approaches.
Publisher
American Association for the Advancement of Science,The American Association for the Advancement of Science
Subject
