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Effects of long-term fertilization on oxidizable organic carbon fractions on the Loess Plateau, China
Ding Shaonan1; Xue Sha1,2; Liu Guobin1,2
2016-08-01
Source PublicationJOURNAL OF ARID LAND
ISSN1674-6767
Volume8Issue:4Pages:579-590
Corresponding AuthorLiu Guobin(gbliu@ms.iswc.ac.cn)
AbstractThe effects of long-term fertilization on pools of soil organic carbon (SOC) have been well studied, but limited information is available on the oxidizable organic carbon (OOC) fractions, especially for the Loess Plateau in China. We evaluated the effects of a 15-year fertilization on the OOC fractions (F1, F2, F3 and F4) in the 0-20 and 20-40 cm soil layers in flat farmland under nine treatments (N (nitrogen, urea), P (phosphorus, monocalcium phosphate), M (organic fertilizer, composted sheep manure), N+P (NP), M+N (MN), M+P (MP), M+N+P (MNP), CK (control, no fertilizer) and bare land (BL, no crops or fertilizer)). SOC content increased more markedly in the treatment containing manure than in those with inorganic fertilizers alone. F1, F2, F4 and F3 accounted for 47%, 27%, 18% and 8% of total organic carbon, respectively. F1 was a more sensitive index than the other C fractions in the sensitivity index (SI) analysis. F1 and F2 were highly correlated with total nitrogen (TN) and available nitrogen (AN), F3 was negatively correlated with pH and F4 was correlated with TN. A cluster analysis showed that the treatments containing manure formed one group, and the other treatments formed another group, which indicated the different effects of fertilization on soil properties. Long-term fertilization with inorganic fertilizer increased the F4 fraction while manure fertilizer not only increased labile fractions (F1) in a short time, but also increased passive fraction (F4) over a longer term. The mixed fertilizer mainly affected F3 fraction. The study demonstrated that manure fertilizer was recommended to use in the farmland on the Loess Plateau for the long-term sustainability of agriculture.
Keywordlong-term fertilization oxidizable organic carbon fractions farmland soil Loess Plateau
DOI10.1007/s40333-016-0007-x
WOS KeywordSOIL QUALITY ; LAND-USE ; CROPPING SYSTEMS ; SEMIARID REGION ; MANAGEMENT ; MATTER ; POOLS ; NITROGEN ; AGROECOSYSTEM ; TILLAGE
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41371510] ; National Natural Science Foundation of China[41371508] ; National Natural Science Foundation of China[41471438] ; Science and Technology Research and Development Plan of Shaanxi Province[2011KJXX36]
Funding OrganizationNational Natural Science Foundation of China ; Science and Technology Research and Development Plan of Shaanxi Province
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000375449800009
PublisherSPRINGER HEIDELBERG
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/67075
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLiu Guobin
Affiliation1.Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Peoples R China
2.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Peoples R China
Recommended Citation
GB/T 7714
Ding Shaonan,Xue Sha,Liu Guobin. Effects of long-term fertilization on oxidizable organic carbon fractions on the Loess Plateau, China[J]. JOURNAL OF ARID LAND,2016,8(4):579-590.
APA Ding Shaonan,Xue Sha,&Liu Guobin.(2016).Effects of long-term fertilization on oxidizable organic carbon fractions on the Loess Plateau, China.JOURNAL OF ARID LAND,8(4),579-590.
MLA Ding Shaonan,et al."Effects of long-term fertilization on oxidizable organic carbon fractions on the Loess Plateau, China".JOURNAL OF ARID LAND 8.4(2016):579-590.
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