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Straw biochar increases the abundance of inorganic phosphate solubilizing bacterial community for better rape (Brassica napus) growth and phosphate uptake
Zheng, Bang-Xiao; Ding, Kai; Yang, Xiao-Ru; Wadaan, Mohammed A. M.; Hozzein, Wael N.; Penuelas, Josep; Zhu, Yong-Guan
2019-01-10
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume647Pages:1113-1120
AbstractThe direct application of inorganic-phosphate-solubilizing bacteria (iPSBs) for improving the efficiency of phosphorus (P) use leads to a low rate of bacterial survival. Biochar is a good inoculum carrier for microbial survival, and diverse feedstocks can have different effects. We generated an iPSB community using seven selected iPSB strains with various phylogenic taxonomies and P-solubilizing abilities. Biochar was then inoculated with the iPSB community and applied to soil in pots seeded with rape (Brassica napus). Growth of the rape for four weeks and the effects of biochars produced from six raw feedstocks, rice straw, rice husks, soybean straw, peanut shells, corn cobs and wood, were compared. The synthetic iPSB community had a larger capacity to solubilize inorganic P and exude organic anions than any of the individual strains. The structure of the iPSB community was analyzed by high-throughput sequencing four weeks after inoculation. All seven iPSB strains were detected, dominated by Arthrobacter defluvii 06-OD12. The abundance of the iPSB community was significantly correlated with rape biomass, P content and P uptake (P < 0.05). The biochar amendments conferred 6.86-24.24% survival of the iPSB community, with the straw biochars conferring the highest survival. The available-P content of the biochar rather than soil pH was the dominant factor for iPSB community structure, suggesting that the biochar material was critical for the survival and functioning of the iPSB community. Our study demonstrates the feasibility of biochar-assisted iPSB improvement of crop growth and P uptake. (C) 2018 Elsevier B.V. All rights reserved.
Department土壤环境科学与技术实验室
KeywordStraw biochar Brassica napus Phosphorus Inorganic phosphate solubilizing bacteria Phosphate uptake
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/43313
Collection土壤环境科学实验室
Affiliation1.Chinese Acad Sci, Key Lab Urban Environm & Hlth, Inst Urban Environm, Xiamen 361021, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.UAB, Global Ecol Unit, CSIC, Ctr Ecol Res & Forestry Applicat CREAF, Barcelona 08193, Spain
4.CREAF, Barcelona 08193, Spain
5.King Saud Univ, Zool Dept, Bioprod Res Chair, Coll Sci, Riyadh 11451, Saudi Arabia
Recommended Citation
GB/T 7714
Zheng, Bang-Xiao,Ding, Kai,Yang, Xiao-Ru,et al. Straw biochar increases the abundance of inorganic phosphate solubilizing bacterial community for better rape (Brassica napus) growth and phosphate uptake[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2019,647:1113-1120.
APA Zheng, Bang-Xiao.,Ding, Kai.,Yang, Xiao-Ru.,Wadaan, Mohammed A. M..,Hozzein, Wael N..,...&Zhu, Yong-Guan.(2019).Straw biochar increases the abundance of inorganic phosphate solubilizing bacterial community for better rape (Brassica napus) growth and phosphate uptake.SCIENCE OF THE TOTAL ENVIRONMENT,647,1113-1120.
MLA Zheng, Bang-Xiao,et al."Straw biochar increases the abundance of inorganic phosphate solubilizing bacterial community for better rape (Brassica napus) growth and phosphate uptake".SCIENCE OF THE TOTAL ENVIRONMENT 647(2019):1113-1120.
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