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New strategies for submicron characterization the carbon binding of reactive minerals in long-term contrasting fertilized soils: implications for soil carbon storage
Xiao, J; He, XH; Hao, JL; Zhou, Y; Zheng, LR; Ran, W; Shen, QR; Yu, GH; Zheng LR(郑黎荣)
2016
发表期刊BIOGEOSCIENCES
卷号13期号:12页码:3607-3618
文章类型期刊论文
摘要Mineral binding is a major mechanism for soil carbon (C) stabilization. However, the submicron information about the in situ mechanisms of different fertilization practices affecting organo-mineral complexes and associated C preservation remains unclear. Here, we applied nano-scale secondary ion mass spectrometry (NanoSIMS), X-ray photoelectron spectroscopy (XPS), and X-ray absorption fine structure spectroscopy (XAFS) to examine differentiating effects of inorganic versus organic fertilization on interactions between highly reactive minerals and soil C preservation. To examine such interactions, soils and their extracted colloids were collected during a 24-year long-term fertilization period (1990-2014) (no fertilization, control; chemical nitrogen (N), phosphorus (P), and potassium (K) fertilization, NPK; and NPK plus swine manure fertilization, NPKM). The results for different fertilization conditions showed a ranked soil organic matter concentration with NPKM > aEuro-NPKaEuro-> aEuro-control. Meanwhile, oxalate-extracted Al (Al-o), Fe (Fe-o), short-range ordered Al (Al-xps), Fe (Fe-xps), and dissolved organic carbon (DOC) ranked with NPKM > aEuro-controlaEuro-> aEuro-NPK, but the ratios of DOCaEuro-a center dot aEuro-Al-xps and DOCaEuro-a center dot aEuro-Fe-xps ranked with NPKMaEuro-> aEuro-NPKaEuro-> aEuro-control. Compared with the NPK treatment, the NPKM treatment enhanced the C-binding loadings of Al and Fe minerals in soil colloids at the submicron scale. Furthermore, a greater concentration of highly reactive Al and Fe minerals was presented under NPKM than under NPK. Together, these submicron-scale findings suggest that both the reactive mineral species and their associations with C are differentially affected by 24-year long-term inorganic and organic fertilization.
DOI10.5194/bg-13-3607-2016
关键词[WOS]DISSOLVED ORGANIC-MATTER ; RAY PHOTOELECTRON-SPECTROSCOPY ; ION MASS-SPECTROMETRY ; PHOSPHORUS SPECIATION ; MANURE APPLICATION ; MICROBIAL CARBON ; ASSOCIATIONS ; COLLOIDS ; SCALE ; MICROSCOPY
语种英语
WOS类目Ecology ; Geosciences, Multidisciplinary
WOS记录号WOS:000379427700006
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260408
专题多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Xiao, J,He, XH,Hao, JL,et al. New strategies for submicron characterization the carbon binding of reactive minerals in long-term contrasting fertilized soils: implications for soil carbon storage[J]. BIOGEOSCIENCES,2016,13(12):3607-3618.
APA Xiao, J.,He, XH.,Hao, JL.,Zhou, Y.,Zheng, LR.,...&郑黎荣.(2016).New strategies for submicron characterization the carbon binding of reactive minerals in long-term contrasting fertilized soils: implications for soil carbon storage.BIOGEOSCIENCES,13(12),3607-3618.
MLA Xiao, J,et al."New strategies for submicron characterization the carbon binding of reactive minerals in long-term contrasting fertilized soils: implications for soil carbon storage".BIOGEOSCIENCES 13.12(2016):3607-3618.
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