Warming and Nitrogen Addition Change the Soil and Soil Microbial Biomass C:N:P Stoichiometry of a Meadow Steppe
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Site
2.2. Experimental Design
2.3. Soil Microclimate
2.4. Soil Sampling
2.5. SOC, and Soil N and P
2.6. Soil Microbial Biomass C, N, P
2.7. Statistical Analysis
3. Results
3.1. Soil Microclimate
3.2. SOC, Soil Total N, total P
3.3. Soil Microbial Biomass C, N, P
3.4. Correlation of Soil and Soil Microbial Biomass C, N, P With Soil Microclimate
3.5. Correlation of SOC, Soil Total N, Total P With Soil Microbial Biomass C, N, P
4. Discussion
4.1. Responses of Soil C: N: P Stoichiometry to Warming and N Addition
4.2. Responses of Soil Microbial Biomass C: N: P Stoichiometry to Warming and N Addition
4.3. Responses of the Correlation of Soil and Soil Microbial Biomass C: N: P Stoichiometry to Warming and N Addition
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Soil Temperature | Soil Water Content | |||||||
---|---|---|---|---|---|---|---|---|
C | W | N | WN | C | W | N | WN | |
SOC | 0.429 * | 0.371 | 0.486 * | 0.483 * | 0.681 * | 0.141 | 0.733 ** | 0.174 |
Soil total N | 0.467 * | 0.475 * | 0.332 | 0.483 * | 0.685 * | 0.429 * | 0.369 | 0.422 * |
Soil total P | 0.569 * | 0.733 ** | 0.543 * | 0.781 ** | 0.867 ** | 0.371 | 0.876 ** | 0.365 |
Soil C:N | 0.583 * | 0.316 | 0.251 | 0.429 * | 0.321 | 0.416 * | 0.522 * | 0.681 * |
Soil C:P | 0.691 * | 0.439 * | 0.468 * | 0.367 | 0.677 * | 0.333 | 0.989 ** | 0.201 |
Soil N:P | 0.451 * | 0.544 * | 0.395 | 0.338 | 0.785 * | 0.314 | 0.986 ** | 0.203 |
MBC | 0.567 * | 0.815 ** | 0.727 * | 0.698 * | 0.593 * | 0.642 * | 0.802 * | 0.783 * |
MBN | 0.929 ** | 0.961 ** | 0.831 ** | 0.929 ** | 0.713 * | 0.751 * | 0.839 ** | 0.852 ** |
MBP | 0.891 * | 0.483 * | 0.799 * | 0.488 * | 0.922 ** | 0.771 * | 0.738 * | 0.709 * |
MBC:MBN | 0.221 | 0.141 | 0.295 | 0.218 | 0.182 | 0.166 | 0.172 | 0.281 |
MBC:MBP | 0.164 | 0.451 * | 0.549 * | 0.403 * | 0.193 | 0.154 | 0.663 * | 0.128 |
MBN:MBP | 0.307 | 0.518 * | 0.643 * | 0.581 * | 0.143 | 0.167 | 0.671 * | 0.225 |
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Gong, S.; Zhang, T.; Guo, J. Warming and Nitrogen Addition Change the Soil and Soil Microbial Biomass C:N:P Stoichiometry of a Meadow Steppe. Int. J. Environ. Res. Public Health 2019, 16, 2705. https://doi.org/10.3390/ijerph16152705
Gong S, Zhang T, Guo J. Warming and Nitrogen Addition Change the Soil and Soil Microbial Biomass C:N:P Stoichiometry of a Meadow Steppe. International Journal of Environmental Research and Public Health. 2019; 16(15):2705. https://doi.org/10.3390/ijerph16152705
Chicago/Turabian StyleGong, Shiwei, Tao Zhang, and Jixun Guo. 2019. "Warming and Nitrogen Addition Change the Soil and Soil Microbial Biomass C:N:P Stoichiometry of a Meadow Steppe" International Journal of Environmental Research and Public Health 16, no. 15: 2705. https://doi.org/10.3390/ijerph16152705