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Effect of Biochar on pH of Alkaline Soils in the Loess Plateau: Results from Incubation Experiments
Liu, Xiang-Hong1,2; Zhang, Xing-Chang1,3
2012
Source PublicationINTERNATIONAL JOURNAL OF AGRICULTURE AND BIOLOGY
Volume14Issue:5Pages:745-750
AbstractAn incubation experiment was conducted to determine the effects of biochar on the pH of alkaline soils. Five types of alkaline soils collected at the Loess Plateau and one type of biochar with a slightly lower pH than the soils were used. After incubation for 4 months and 11 months, the control soil and biochar-amended soils (4, 8 & 16 g of biochar/kg of soil) were sampled and tested. The application of alkaline biochar did not increase the soil pH but instead produced a decreasing pH trend, especially with higher biochar application rates. The decrease in soil pH was more significant at the 10 cm to 20 cm layer than in the 0 cm to 10 cm layer. The F soil type (Aeolian sandy soil), which had the highest pH, showed the largest decrease in pH after 11 months of incubation. Acidic materials produced by the oxidation of biochar and organic matters may have caused the pH decrease. The high soil cation exchange capacity caused by the biochar application might restrict the soil salinization process to some extent. (C) 2012 Friends Science Publishers
SubtypeArticle
KeywordBiochar Alkaline Soil Soil Ph Loess Plateau
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
WOS Subject ExtendedAgriculture ; Life Sciences & Biomedicine - Other Topics
WOS KeywordBLACK CARBON ; CHEMICAL-PROPERTIES ; CROP RESIDUES ; SHORT-TERM ; MINERALIZATION ; OXIDATION ; TROPICS ; MODEL
Indexed BySCI
Language英语
WOS SubjectAgriculture, Multidisciplinary ; Biology
WOS IDWOS:000309210600010
PublisherFRIENDS SCIENCE PUBL
Citation statistics
Cited Times:48[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/68380
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhang, Xing-Chang
Affiliation1.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dry Land Farming Loess, Yang Ling, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing, Peoples R China
3.NW A&F Univ, Inst Soil & Water Conservat, Yang Ling, Peoples R China
Recommended Citation
GB/T 7714
Liu, Xiang-Hong,Zhang, Xing-Chang. Effect of Biochar on pH of Alkaline Soils in the Loess Plateau: Results from Incubation Experiments[J]. INTERNATIONAL JOURNAL OF AGRICULTURE AND BIOLOGY,2012,14(5):745-750.
APA Liu, Xiang-Hong,&Zhang, Xing-Chang.(2012).Effect of Biochar on pH of Alkaline Soils in the Loess Plateau: Results from Incubation Experiments.INTERNATIONAL JOURNAL OF AGRICULTURE AND BIOLOGY,14(5),745-750.
MLA Liu, Xiang-Hong,et al."Effect of Biochar on pH of Alkaline Soils in the Loess Plateau: Results from Incubation Experiments".INTERNATIONAL JOURNAL OF AGRICULTURE AND BIOLOGY 14.5(2012):745-750.
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