Nitrogen Addition Alleviates Microbial Nitrogen Limitations and Promotes Soil Respiration in a Subalpine Coniferous Forest
Abstract
:1. Introduction
2. Materials and Methods
2.1. Nitrogen Application Design
2.2. Soil Respiration Measurement
2.3. Soil Sampling and Analyses
2.4. Data Processing and Statistical Analysis
3. Results
3.1. Soil Respiration
3.2. Soil Microbial Biomass Carbon and Nitrogen
3.3. Soil Enzyme Activity and Ecoenzymatic Stoichiometry
3.4. Soil Physicochemical Properties
3.5. Soil Microbial PLFA Content
3.6. Relationships among Variables
4. Discussion
4.1. Response of Soil Respiration to N Application
4.2. Response of Soil Microbial Biomass to N Application
4.3. Response of Soil Enzyme Activity to N Application
4.4. Response of Ecoenzymatic Stoichiometry to N Application
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Liu, Y.; Chen, Q.; Wang, Z.; Zheng, H.; Chen, Y.; Chen, X.; Wang, L.; Li, H.; Zhang, J. Nitrogen Addition Alleviates Microbial Nitrogen Limitations and Promotes Soil Respiration in a Subalpine Coniferous Forest. Forests 2019, 10, 1038. https://doi.org/10.3390/f10111038
Liu Y, Chen Q, Wang Z, Zheng H, Chen Y, Chen X, Wang L, Li H, Zhang J. Nitrogen Addition Alleviates Microbial Nitrogen Limitations and Promotes Soil Respiration in a Subalpine Coniferous Forest. Forests. 2019; 10(11):1038. https://doi.org/10.3390/f10111038
Chicago/Turabian StyleLiu, Yang, Qianmei Chen, Zexi Wang, Haifeng Zheng, Yamei Chen, Xian Chen, Lifeng Wang, Hongjie Li, and Jian Zhang. 2019. "Nitrogen Addition Alleviates Microbial Nitrogen Limitations and Promotes Soil Respiration in a Subalpine Coniferous Forest" Forests 10, no. 11: 1038. https://doi.org/10.3390/f10111038