Significant acidification in major Chinese croplands
Abstract
Cropland Acidification in China: China is experiencing increasing problems with acid rain, groundwater pollution, and nitrous oxide emissions. Rapid development of industry and transportation has accelerated nitrate (N) emissions to the atmosphere. Consequently, soil degradation, water shortage, and pollution, in addition to atmospheric quality decline are becoming major public concerns across China. Since the 1990s, China has become both the largest consumer of chemical N fertilizers and the highest cereal producer in the world, which has consequences for arable soil acidification. Guo et al. (p. 1008 , published online 11 February) present a meta-analysis of a regional acidification phenomenon in Chinese arable soils that is largely associated with higher N fertilization and higher crop production. Such large-scale soil acidification is likely to threaten the sustainability of agriculture and affect the biogeochemical cycles of nutrients and also toxic elements in soils.
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Soil acidification due to atmospheric nitrogen deposition and excessive nitrogen fertilizer application should be avoided to reduce loss of soil inorganic C.
“Soil acidification due to atmospheric nitrogen deposition in forest and grassland and excessive nitrogen fertilizer application in croplands should also be avoided to reduce the loss of soil inorganic C.189,190”
From Technologies and perspectives for achieving carbon neutrality (2021) · cites this paper as [190]
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- Authors
- Guo, J. H., Liu, X. J., Zhang, Y., Shen, J. L., Han, W. X., Zhang, W. F., Christie, P., Goulding, K. W. T., Vitousek, P. M., & Zhang, F. S.
- Affiliations
- China Agricultural University (CN)
- Agri Food and Biosciences Institute (GB)
- Rothamsted Research (GB)
- Stanford University (US)
- Corresponding author
- Guo, J. H.
- Liu, X. J.
- ORCID
- Venue
- Science
- Published
- 2010-02-19
- Volume
- 327
- Issue
- 5968
- Pages
- 1008-1010
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2065762344
- Cited by
- 3,960
- References
- 26
- Citations by year
- 2026: 338 · 2025: 354 · 2024: 305 · 2023: 366 · 2022: 424 · 2021: 377 · 2020: 357 · 2019: 300 · 2018: 245 · 2017: 195 · 2016: 166 · 2015: 149 · 2014: 134 · 2013: 85 · 2012: 73
- FWCI
- 129.39
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Science (publishedVersion)
- PubMed (publishedVersion)
- Rothamsted Repository (Rothamsted Repository) (submittedVersion)
- Research Portal (Queen's University Belfast) (submittedVersion)
- Funders
- Biotechnology and Biological Sciences Research Council (BBS/E/C/00004980)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Management and Crop Yield
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Agricultural Science and Fertilization
- Keywords
- soil acidification, agricultural soils, nitrogen fertilization, nitrate emissions, acid rain, groundwater contamination, nitrous oxide emissions, crop production, soil degradation, sustainable agriculture, China
- MeSH terms
- Agriculture, Cations, China, Fertilizers, Hydrogen-Ion Concentration, Nitrogen, Soil, Time Factors, Crops, Agricultural
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