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Redistribution and loss of soil organic carbon by overland flow under various soil management practices on the Chinese Loess Plateau

K Jin, Wim Cornelis UGent, W Schiettecatte, JJ Lu, T Buysse, G Baert, HJ Wu, Y Yao, DX Cai, JY Jin, et al. (2008) SOIL USE AND MANAGEMENT. 24(2). p.181-191
abstract
Field rainfall simulations with intensities of 85 and 170 mm/h were conducted in 2002 and 2005 on a 15-m long slope on a loess soil in Luoyang, Henan Province, P. R. China to study the effects of different soil management practices on the redistribution and loss of soil organic carbon (SOC) by runoff and soil erosion. Field plots under winter wheat ( Triticum aestivum L.) were set up in 2001 and included the following soil management practices: subsoiling with mulch (SSM), no-till with mulch (NTM), reduced tillage (RT) and conventional tillage control (CT). The results showed that SOC for topsoil (0 - 20 cm) increased in the NTM and SSM plots when compared with results from 2002 and 2005. For all treatments, SOC in the lower part of the plots was higher in 2005 than in 2002. The values from the upper parts of the plots were only lower in 2005 compared with the overall values for 2002 for RT and CT. The enrichment ratio of organic carbon (ERoc) in runoff sediment varied from 1.01 to 2.24 with a mean of 1.25. During the simulated rainfall events, ERoc was initially high and then reduced after a short period to reach a steady value at the end of the event, always remaining >= 1. The change in SOC loss rate was more dependent on the sediment loss rate than on the changes in SOC concentration in the sediment. The best results in terms of a reduction in soil and SOC loss were obtained with NTM: no runoff and hence no soil and SOC loss were observed. SOC losses observed for SSM were on average only 4% of those observed for CT. RT resulted in 71% SOC loss compared with CT although the runoff reduction was not pronounced. For farmers, SSM and NTM are the best alternatives in terms of SOC conservation. NTM has the additional advantage that it requires less labour and is more beneficial from economic and environmental perspectives.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
PHOSPHORUS, SEDIMENT, QUALITY, conservation tillage, field rainfall simulation, sediment loss, winter wheat, SIZE DISTRIBUTION, SURFACE RUNOFF, PHYSICAL-PROPERTIES, SIMULATED RAINFALL, redistribution, EROSION, organic carbon, conventional tillage, NO-TILL, MATTER
journal title
SOIL USE AND MANAGEMENT
Soil Use Manage.
volume
24
issue
2
pages
181 - 191
Web of Science type
Article
Web of Science id
000256243700008
JCR category
SOIL SCIENCE
JCR impact factor
1.895 (2008)
JCR rank
8/31 (2008)
JCR quartile
2 (2008)
ISSN
0266-0032
DOI
10.1111/j.1475-2743.2008.00151.x
language
English
UGent publication?
yes
classification
A1
additional info
correction (for author name) published in Soil Use Manage. (2008) 24(3), 326 ; DOI 10.1111/j.1475-2743.2008.00167.x
copyright statement
I have transferred the copyright for this publication to the publisher
id
745721
handle
http://hdl.handle.net/1854/LU-745721
date created
2009-09-09 09:03:37
date last changed
2018-06-21 10:35:04
@article{745721,
  abstract     = {Field rainfall simulations with intensities of 85 and 170 mm/h were conducted in 2002 and 2005 on a 15-m long slope on a loess soil in Luoyang, Henan Province, P. R. China to study the effects of different soil management practices on the redistribution and loss of soil organic carbon (SOC) by runoff and soil erosion. Field plots under winter wheat ( Triticum aestivum L.) were set up in 2001 and included the following soil management practices: subsoiling with mulch (SSM), no-till with mulch (NTM), reduced tillage (RT) and conventional tillage control (CT). The results showed that SOC for topsoil (0 - 20 cm) increased in the NTM and SSM plots when compared with results from 2002 and 2005. For all treatments, SOC in the lower part of the plots was higher in 2005 than in 2002. The values from the upper parts of the plots were only lower in 2005 compared with the overall values for 2002 for RT and CT. The enrichment ratio of organic carbon (ERoc) in runoff sediment varied from 1.01 to 2.24 with a mean of 1.25. During the simulated rainfall events, ERoc was initially high and then reduced after a short period to reach a steady value at the end of the event, always remaining {\textrangle}= 1. The change in SOC loss rate was more dependent on the sediment loss rate than on the changes in SOC concentration in the sediment. The best results in terms of a reduction in soil and SOC loss were obtained with NTM: no runoff and hence no soil and SOC loss were observed. SOC losses observed for SSM were on average only 4\% of those observed for CT. RT resulted in 71\% SOC loss compared with CT although the runoff reduction was not pronounced. For farmers, SSM and NTM are the best alternatives in terms of SOC conservation. NTM has the additional advantage that it requires less labour and is more beneficial from economic and environmental perspectives.},
  author       = {Jin, K and Cornelis, Wim and Schiettecatte, W and Lu, JJ and Buysse, T and Baert, G and Wu, HJ and Yao, Y and Cai, DX and Jin, JY and De Neve, Stefaan and Hartmann, Roger and Gabri{\"e}ls, Donald},
  issn         = {0266-0032},
  journal      = {SOIL USE AND MANAGEMENT},
  keyword      = {PHOSPHORUS,SEDIMENT,QUALITY,conservation tillage,field rainfall simulation,sediment loss,winter wheat,SIZE DISTRIBUTION,SURFACE RUNOFF,PHYSICAL-PROPERTIES,SIMULATED RAINFALL,redistribution,EROSION,organic carbon,conventional tillage,NO-TILL,MATTER},
  language     = {eng},
  number       = {2},
  pages        = {181--191},
  title        = {Redistribution and loss of soil organic carbon by overland flow under various soil management practices on the Chinese Loess Plateau},
  url          = {http://dx.doi.org/10.1111/j.1475-2743.2008.00151.x},
  volume       = {24},
  year         = {2008},
}

Chicago
Jin, K, Wim Cornelis, W Schiettecatte, JJ Lu, T Buysse, G Baert, HJ Wu, et al. 2008. “Redistribution and Loss of Soil Organic Carbon by Overland Flow Under Various Soil Management Practices on the Chinese Loess Plateau.” Soil Use and Management 24 (2): 181–191.
APA
Jin, K, Cornelis, W., Schiettecatte, W., Lu, J., Buysse, T., Baert, G., Wu, H., et al. (2008). Redistribution and loss of soil organic carbon by overland flow under various soil management practices on the Chinese Loess Plateau. SOIL USE AND MANAGEMENT, 24(2), 181–191.
Vancouver
1.
Jin K, Cornelis W, Schiettecatte W, Lu J, Buysse T, Baert G, et al. Redistribution and loss of soil organic carbon by overland flow under various soil management practices on the Chinese Loess Plateau. SOIL USE AND MANAGEMENT. 2008;24(2):181–91.
MLA
Jin, K, Wim Cornelis, W Schiettecatte, et al. “Redistribution and Loss of Soil Organic Carbon by Overland Flow Under Various Soil Management Practices on the Chinese Loess Plateau.” SOIL USE AND MANAGEMENT 24.2 (2008): 181–191. Print.