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Baojing Gu, Xiuming Zhang, Shu Kee Lam, Yingliang Yu, Hans J. M. van Grinsven, Shaohui Zhang, Xiaoxi Wang, Benjamin Leon Bodirsky, Sitong Wang, Jiakun Duan and 6 more
Cropland is a main source of global nitrogen pollution 1,2 . Mitigating nitrogen pollution from global croplands is a grand challenge because of the nature of non-point-source pollution from millions of farms and the constraints to implementing pollution-reduction measures, such as lack of financial resources and limited nitrogen-management knowledge of farmers 3 . Here we synthesize 1,521 field observations worldwide and identify 11 key measures that can reduce nitrogen losses from croplands to air and water by 30–70%, while increasing crop yield and nitrogen use efficiency (NUE) by 10–30% and 10–80%, respectively. Overall, adoption of this package of measures on global croplands would allow the production of 17 ± 3 Tg (10 12 g) more crop nitrogen (20% increase) with 22 ± 4 Tg less nitrogen fertilizer used (21% reduction) and 26 ± 5 Tg less nitrogen pollution (32% reduction) to the environment for the considered base year of 2015. These changes could gain a global societal benefit of 476 ± 123 billion US dollars (USD) for food supply, human health, ecosystems and climate, with net mitigation costs of only 19 ± 5 billion USD, of which 15 ± 4 billion USD fertilizer saving offsets 44% of the gross mitigation cost. To mitigate nitrogen pollution from croplands in the future, innovative policies such as a nitrogen credit system (NCS) could be implemented to select, incentivize and, where necessary, subsidize the adoption of these measures.
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Gu, B., Zhang, X., Lam, S. K., Yu, Y., Grinsven, H. J. M. V., Zhang, S., Wang, X., Bodirsky, B. L., Wang, S., Duan, J., Ren, C., Bouwman, L., VRIES, W. D., Xu, J. M., Sutton, M. A., & Chen, D. (2023). Cost-effective mitigation of nitrogen pollution from global croplands. Nature, 613(7942), 77–84. https://doi.org/10.1038/s41586-022-05481-8
Gu, Baojing, et al. "Cost-effective mitigation of nitrogen pollution from global croplands." Nature, vol. 613, no. 7942, 2023, pp. 77–84, https://doi.org/10.1038/s41586-022-05481-8.
Gu, Baojing, Xiuming Zhang, Shu Kee Lam, Yingliang Yu, Hans J. M. van Grinsven, Shaohui Zhang, Xiaoxi Wang, et al. "Cost-effective mitigation of nitrogen pollution from global croplands." Nature 613, no. 7942 (2023): 77–84. https://doi.org/10.1038/s41586-022-05481-8.
Gu B., Zhang X., Lam S. K. [и др.] Cost-effective mitigation of nitrogen pollution from global croplands // Nature. — 2023. — Vol. 613, № 7942. — P. 77–84. — URL: https://doi.org/10.1038/s41586-022-05481-8
@article{gu2023costeffective,
title = {{Cost-effective mitigation of nitrogen pollution from global croplands}},
author = {Baojing Gu and Xiuming Zhang and Shu Kee Lam and Yingliang Yu and Hans J. M. van Grinsven and Shaohui Zhang and Xiaoxi Wang and Benjamin Leon Bodirsky and Sitong Wang and Jiakun Duan and Chenchen Ren and Lex Bouwman and Wim DE VRIES and Jianming M. Xu and Mark A. Sutton and Deli Chen},
journal = {Nature},
year = {2023},
volume = {613},
number = {7942},
pages = {77--84},
doi = {10.1038/s41586-022-05481-8},
url = {https://doi.org/10.1038/s41586-022-05481-8}
}TY - JOUR AU - Gu, Baojing AU - Zhang, Xiuming AU - Lam, Shu Kee AU - Yu, Yingliang AU - Grinsven, Hans J. M. van AU - Zhang, Shaohui AU - Wang, Xiaoxi AU - Bodirsky, Benjamin Leon AU - Wang, Sitong AU - Duan, Jiakun AU - Ren, Chenchen AU - Bouwman, Lex AU - VRIES, Wim DE AU - Xu, Jianming M. AU - Sutton, Mark A. AU - Chen, Deli TI - Cost-effective mitigation of nitrogen pollution from global croplands JO - Nature VL - 613 IS - 7942 SP - 77 EP - 84 PY - 2023 DA - 2023/01/04 DO - 10.1038/s41586-022-05481-8 UR - https://doi.org/10.1038/s41586-022-05481-8 ER -
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