Articles | Volume 14, issue 12
https://doi.org/10.5194/bg-14-3097-2017
https://doi.org/10.5194/bg-14-3097-2017
Research article
 | 
23 Jun 2017
Research article |  | 23 Jun 2017

Phosphorus addition mitigates N2O and CH4 emissions in N-saturated subtropical forest, SW China

Longfei Yu, Yihao Wang, Xiaoshan Zhang, Peter Dörsch, and Jan Mulder

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Cited articles

Alvarez-Clare, S., Mack, M. C., and Brooks, M.: A direct test of nitrogen and phosphorus limitation to net primary productivity in a lowland tropical wet forest, Ecology, 94, 1540–1551, 2013.
Aronson, E. L. and Helliker, B. R.: Methane flux in non-wetland soils in response to nitrogen addition: A meta-analysis, Ecology, 91, 3242–3251, https://doi.org/10.1890/09-2185.1, 2010.
Bernstein, L.: Effects of salinity and sodicity on plant growth, Annu. Rev. Phytopathol., 13, 295–312, 1975.
Baral, B. R., Kuyper, T. W., and Van Groenigen, J. W.: Liebig's law of the minimum applied to a greenhouse gas: Alleviation of P-limitation reduces soil N2O emission, Plant Soil, 374, 539–548, https://doi.org/10.1007/s11104-013-1913-8, 2014.
Bodelier, P. L. E. and Laanbroek, H. J.: Nitrogen as a regulatory factor of methane oxidation in soils and sediments, FEMS Microbiol. Ecol., 47, 265–277, https://doi.org/10.1016/S0168-6496(03)00304-0, 2004.
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Short summary
In this study, we applied phosphorus (P) to a nitrogen (N)-saturated forest in the Chinese subtropics and observed significant decreases in both N2O and CH4 emission from soil within 1.5 years. This was associated with a strong decrease of mineral N in soil water, likely due to stimulated N uptake. Our findings suggest that P limitation could be one important reason for large greenhouse gas emissions reported in the subtropical forests receiving excessive N input.
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