Arid
DOI10.1080/15324982.2016.1198842
Combined application of cyanobacteria with soil fixing chemicals for rapid induction of biological soil crust formation
Park, Chan-Ho1; Li, Xin-Rong2; Jia, Rong-Liang2; Hur, Jae-Seoun1
通讯作者Hur, Jae-Seoun
来源期刊ARID LAND RESEARCH AND MANAGEMENT
ISSN1532-4982
EISSN1532-4990
出版年2017
卷号31期号:1页码:81-93
英文摘要

Combined applications of cyanobacteria with soil fixing chemicals were investigated to generate artificially induced biological soil crust (BSC). Polyvinyl alcohol (PVA) and Tacki-Spray (TKS7) chemicals composed of bio-polysaccharides and tackifiers were examined under laboratory conditions. Following singular applications of chemicals, the mean weight diameter values of soil treated with TKS7 were 1.4-2.5 times higher than those of soil treated with PVA and thus TKS7 was selected for further tests for application with cyanobacteria (Nostoc Vaucher ex Bornet & Flahault, Phormidium Kutzing ex Gomont, and Scytonema arcangeli Bornet ex Flahault). Combined application of cyanobacteria and different concentrations of TKS7 enhanced soil aggregate stability, resulting in mean weight diameter values of 0.58-0.69mm and was comparable to TKS7 singular application (0.18-0.40mm). Surface hardness values were also highly improved by the combined application of cyanobacteria with TKS7 (4.5MPa) compared to singular treatment of cyanobacteria (2.3MPa). In addition, superabsorbent polymer (SAP) was applied as a water-holding material and nutrient supplement in soil. The SAP promoted cyanobacterial cell growth under dry conditions. Chlorophyll a content of soil was improved by the addition of SAP (CST1: 2.93 mu g g(-1)) compared to singular treatment of cyanobacteria (C: 2.25 mu g g(-1)). These results suggest that combined application of cyanobacteria with TKS7 and SAP can induce BSC formation faster than singular application of cyanobacteria. The novel method presented herein can be applied to restoration of degraded soils in arid and semiarid areas.


英文关键词Artificial biological soil crust cyanobacteria land degradation soil fixing chemicals soil stabilization
类型Article
语种英语
国家South Korea ; Peoples R China
收录类别SCI-E
WOS记录号WOS:000392424500007
WOS关键词CRYPTOGAMIC CRUSTS ; DESERT
WOS类目Environmental Sciences ; Soil Science
WOS研究方向Environmental Sciences & Ecology ; Agriculture
来源机构中国科学院西北生态环境资源研究院
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/197544
作者单位1.Sunchon Natl Univ, Korean Lichen Res Inst, Jungang Ro 255, Sunchon 57922, South Korea;
2.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou, Peoples R China
推荐引用方式
GB/T 7714
Park, Chan-Ho,Li, Xin-Rong,Jia, Rong-Liang,et al. Combined application of cyanobacteria with soil fixing chemicals for rapid induction of biological soil crust formation[J]. 中国科学院西北生态环境资源研究院,2017,31(1):81-93.
APA Park, Chan-Ho,Li, Xin-Rong,Jia, Rong-Liang,&Hur, Jae-Seoun.(2017).Combined application of cyanobacteria with soil fixing chemicals for rapid induction of biological soil crust formation.ARID LAND RESEARCH AND MANAGEMENT,31(1),81-93.
MLA Park, Chan-Ho,et al."Combined application of cyanobacteria with soil fixing chemicals for rapid induction of biological soil crust formation".ARID LAND RESEARCH AND MANAGEMENT 31.1(2017):81-93.
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