N fertilization increases N2O emissions over time by raising soil N availability, lowering pH, and stimulating N2O-producing microbes, making global fertilizer induced N2O emissions from cropland ~110% higher than IPCC estimates.
Peer review information
Nature Communications thanks the anonymous reviewer(s) for their contribution to the peer review of this work. A peer review file is available.
- Haoyu Qian
- Zhengqi Yuan
- Yu Jiang