Response of alpine soils to nitrogen addition on the Tibetan Plateau: A meta-analysis
Fu, G; Shen, ZX
2017
Source PublicationAPPLIED SOIL ECOLOGY
ISSN0929-1393
Volume114Pages:99-104
AbstractA meta-analysis approach was used to identify general tendency of alpine soil responses to nitrogen fertilizer on the Tibetan Plateau. Nitrogen addition increased ammonium nitrogen (NH4(+)) and nitrate nitrogen (NO3-), but decreased pH. Effects of nitrogen addition on soil organic carbon (SOC), total nitrogen (TN), C:N ratio and pH differed among forests, alpine meadows and alpine steppes. Effects of nitrogen addition on NH4+, NO3-, soil microbial biomass carbon (MBC) and nitrogen (MBN) differed between alpine meadows and forests. Effects of NH4NO3 addition on SOC, TN, C:N ratio, NH4+, NO3-, MBC and pH differed with those of urea addition. The effect of nitrogen addition on pH was negatively correlated with mean annual temperature and mean annual precipitation. Soil conditions in control plots were positively correlated with the effect of nitrogen addition on pH, but negatively correlated with the effect of nitrogen addition on TN. Nitrogen addition rate was correlated with the effect of nitrogen fertilizer on NO3- and pH. Nitrogen addition duration was positively correlated with the effect of nitrogen fertilizer on pH. Therefore, effects of nitrogen fertilizers on alpine soils varied with nitrogen fertilizer types; climatic warming and precipitation change regulated effects of nitrogen fertilizer on alpine soils; and response of alpine soils to nitrogen addition may depend on initial soil conditions, rate and duration of nitrogen addition on the Tibetan Plateau. (C) 2017 Elsevier B.V. All rights reserved.
SubtypeJournal
KeywordInorganic fertilizer Microbial biomass pH Response ratio Soil fertility
Subject AreaAgriculture
WOS Subject ExtendedSoil Science
WOS KeywordTERRESTRIAL ECOSYSTEMS ; GLOBAL PERSPECTIVE ; MICROBIAL BIOMASS ; HIGH-LATITUDE ; ELEVATED CO2 ; FERTILIZATION ; MEADOW ; PLANT ; RESPIRATION ; COMPONENTS
Indexed BySCI
Language英语
WOS IDWOS:000401383400012
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/44058
Collection生态系统网络观测与模拟院重点实验室_生态网络实验室
Recommended Citation
GB/T 7714
Fu, G,Shen, ZX. Response of alpine soils to nitrogen addition on the Tibetan Plateau: A meta-analysis[J]. APPLIED SOIL ECOLOGY,2017,114:99-104.
APA Fu, G,&Shen, ZX.(2017).Response of alpine soils to nitrogen addition on the Tibetan Plateau: A meta-analysis.APPLIED SOIL ECOLOGY,114,99-104.
MLA Fu, G,et al."Response of alpine soils to nitrogen addition on the Tibetan Plateau: A meta-analysis".APPLIED SOIL ECOLOGY 114(2017):99-104.
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