# Climate shapes microbial nitrogen pump in forests, not in farmlands

- Source: Phys.org - latest science and technology news stories
- Published: 2026-11-06T00:20:02+00:00
- Category: Science
- Original: https://phys.org/news/2026-11-climate-microbial-nitrogen-forests-farmlands.html
- Canonical: https://groundlevelnews.com/story/climate-shapes-microbial-nitrogen-pump-in-forests-not-in-farmlands-091924/

Microbes build a long-lived nitrogen reservoir in soil from the remains of dead bacteria and fungi, which cling to minerals and resist decay. The microbial nitrogen pump turns nitrogen taken up by living microbes into this persistent pool, and microbial nitrogen use efficiency (NUE) has long been assumed to regulate this process.

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