A large number of studies have shown that glomalin-related soil protein (GRSP) plays an important role in soil aggregate formation and soil carbon balance. However, to date, we lack understanding on the relationship between GRSP and water-stable aggregates (WSA) in abandoned agricultural lands of semi-arid region. We considered abandoned agricultural lands of different ages in Minqin Oasis as the research object. We discussed the changes of GRSP and the relationship between GRSP and WSA during land abandonment. The research results showed the following: the content of extractable glomalin-related soil protein (e-GRSP) and total glomalin-related soil protein (t-GRSP) is higher than that of traditional arable lands, and the content increases as the years of land abandonment increase. e-GRSP and t-GRSP contents are higher than the soil layer of 0–20 and 40–60 cm in terms of vertical section. The proportion ranges of e-GRSP and t-GRSP in soil total organic carbon (TOC) are 0.62%–2.0% and 1.97%–8.1% respectively in the abandoned agricultural lands. e-GRSP and t-GRSP also exhibit significant quadratic correlation with TOC (P<0.05). e-GRSP and t-GRSP have significant positive correlation with mean weight diameter (P<0.05). Significant and extremely significant positive correlations are observed between the e-GRSP and t-GRSP and the WSA with particle sizes between 0.25–1 and >2 mm and the organic carbon (OC) and nitrogen (N) existing in such sizes, respectively. In addition, significant and extremely significant negative correlation exist between the e-GRSP and t-GRSP and the clay and silt contents (<0.053 mm) and the OC and N in clay and silt. In general, land abandonment has raised the GRSP content. Moreover, the GRSP after land abandonment tends to promote large WSA formulation and organic matter enrichment in large aggregates. Organic matter accumulation in clay and silt was also inhibited. This phenomenon helps build a reasonable aggregate hierarchy and improve the stability of soil aggregates.
| Published in | Journal of Energy and Natural Resources (Volume 8, Issue 1) |
| DOI | 10.11648/j.jenr.20190801.16 |
| Page(s) | 37-44 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2019. Published by Science Publishing Group |
Agricultural Land Abandonment, Organic Carbon, Nitrogen, Glomalin-Related Soil Protein, Water-Stable Aggregates
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APA Style
Zhao Xu, Wang Cuili, Zhao Jing, Hou Beibei, Li Yanrong, et al. (2019). Glomalin-Related Soil Protein and Its Relationship with Organic Carbon and Nitrogen in Water-stable Aggregates in Abandoned Agricultural Lands. Journal of Energy and Natural Resources, 8(1), 37-44. https://doi.org/10.11648/j.jenr.20190801.16
ACS Style
Zhao Xu; Wang Cuili; Zhao Jing; Hou Beibei; Li Yanrong, et al. Glomalin-Related Soil Protein and Its Relationship with Organic Carbon and Nitrogen in Water-stable Aggregates in Abandoned Agricultural Lands. J. Energy Nat. Resour. 2019, 8(1), 37-44. doi: 10.11648/j.jenr.20190801.16
AMA Style
Zhao Xu, Wang Cuili, Zhao Jing, Hou Beibei, Li Yanrong, et al. Glomalin-Related Soil Protein and Its Relationship with Organic Carbon and Nitrogen in Water-stable Aggregates in Abandoned Agricultural Lands. J Energy Nat Resour. 2019;8(1):37-44. doi: 10.11648/j.jenr.20190801.16
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Download@article{10.11648/j.jenr.20190801.16,
author = {Zhao Xu and Wang Cuili and Zhao Jing and Hou Beibei and Li Yanrong and Qiu Xiaoqing and Song Panpan and Wang Junqiang},
title = {Glomalin-Related Soil Protein and Its Relationship with Organic Carbon and Nitrogen in Water-stable Aggregates in Abandoned Agricultural Lands},
journal = {Journal of Energy and Natural Resources},
volume = {8},
number = {1},
pages = {37-44},
doi = {10.11648/j.jenr.20190801.16},
url = {https://doi.org/10.11648/j.jenr.20190801.16},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jenr.20190801.16},
abstract = {A large number of studies have shown that glomalin-related soil protein (GRSP) plays an important role in soil aggregate formation and soil carbon balance. However, to date, we lack understanding on the relationship between GRSP and water-stable aggregates (WSA) in abandoned agricultural lands of semi-arid region. We considered abandoned agricultural lands of different ages in Minqin Oasis as the research object. We discussed the changes of GRSP and the relationship between GRSP and WSA during land abandonment. The research results showed the following: the content of extractable glomalin-related soil protein (e-GRSP) and total glomalin-related soil protein (t-GRSP) is higher than that of traditional arable lands, and the content increases as the years of land abandonment increase. e-GRSP and t-GRSP contents are higher than the soil layer of 0–20 and 40–60 cm in terms of vertical section. The proportion ranges of e-GRSP and t-GRSP in soil total organic carbon (TOC) are 0.62%–2.0% and 1.97%–8.1% respectively in the abandoned agricultural lands. e-GRSP and t-GRSP also exhibit significant quadratic correlation with TOC (PP2 mm and the organic carbon (OC) and nitrogen (N) existing in such sizes, respectively. In addition, significant and extremely significant negative correlation exist between the e-GRSP and t-GRSP and the clay and silt contents (<0.053 mm) and the OC and N in clay and silt. In general, land abandonment has raised the GRSP content. Moreover, the GRSP after land abandonment tends to promote large WSA formulation and organic matter enrichment in large aggregates. Organic matter accumulation in clay and silt was also inhibited. This phenomenon helps build a reasonable aggregate hierarchy and improve the stability of soil aggregates.},
year = {2019}
}
TY - JOUR T1 - Glomalin-Related Soil Protein and Its Relationship with Organic Carbon and Nitrogen in Water-stable Aggregates in Abandoned Agricultural Lands AU - Zhao Xu AU - Wang Cuili AU - Zhao Jing AU - Hou Beibei AU - Li Yanrong AU - Qiu Xiaoqing AU - Song Panpan AU - Wang Junqiang Y1 - 2019/04/28 PY - 2019 N1 - https://doi.org/10.11648/j.jenr.20190801.16 DO - 10.11648/j.jenr.20190801.16 T2 - Journal of Energy and Natural Resources JF - Journal of Energy and Natural Resources JO - Journal of Energy and Natural Resources SP - 37 EP - 44 PB - Science Publishing Group SN - 2330-7404 UR - https://doi.org/10.11648/j.jenr.20190801.16 AB - A large number of studies have shown that glomalin-related soil protein (GRSP) plays an important role in soil aggregate formation and soil carbon balance. However, to date, we lack understanding on the relationship between GRSP and water-stable aggregates (WSA) in abandoned agricultural lands of semi-arid region. We considered abandoned agricultural lands of different ages in Minqin Oasis as the research object. We discussed the changes of GRSP and the relationship between GRSP and WSA during land abandonment. The research results showed the following: the content of extractable glomalin-related soil protein (e-GRSP) and total glomalin-related soil protein (t-GRSP) is higher than that of traditional arable lands, and the content increases as the years of land abandonment increase. e-GRSP and t-GRSP contents are higher than the soil layer of 0–20 and 40–60 cm in terms of vertical section. The proportion ranges of e-GRSP and t-GRSP in soil total organic carbon (TOC) are 0.62%–2.0% and 1.97%–8.1% respectively in the abandoned agricultural lands. e-GRSP and t-GRSP also exhibit significant quadratic correlation with TOC (PP2 mm and the organic carbon (OC) and nitrogen (N) existing in such sizes, respectively. In addition, significant and extremely significant negative correlation exist between the e-GRSP and t-GRSP and the clay and silt contents (<0.053 mm) and the OC and N in clay and silt. In general, land abandonment has raised the GRSP content. Moreover, the GRSP after land abandonment tends to promote large WSA formulation and organic matter enrichment in large aggregates. Organic matter accumulation in clay and silt was also inhibited. This phenomenon helps build a reasonable aggregate hierarchy and improve the stability of soil aggregates. VL - 8 IS - 1 ER -
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