| Nitrogen Amendment Stimulated Decomposition of Maize Straw-Derived Biochar in a Sandy Loam Soil: A Short-Term Study | |
| Lu, Weiwei1; Ding, Weixin1; Zhang, Junhua1; Zhang, Huanjun1; Luo, Jiafa2; Bolan, Nanthi3 | |
| 刊名 | PLOS ONE
 |
| 2015-07-20 | |
| 卷号 | 10期号:7页码:16 |
| ISSN号 | 1932-6203 |
| DOI | 10.1371/journal.pone.0133131 |
| 通讯作者 | Ding, Weixin(wxding@issas.ac.cn) |
| 英文摘要 | This study examined the effect of nitrogen (N) on biochar stability in relation to soil microbial community as well as biochar labile components using delta C-13 stable isotope technology. A sandy loam soil under a long-term rotation of C-3 crops was amended with biochar produced from maize (a C(4)plant) straw in absence (BC0) and presence (BCN) of N and monitored for dynamics of carbon dioxide (CO2) flux, phospholipid fatty acids (PLFAs) profile and dissolved organic carbon (DOC) content. N amendment significantly increased the decomposition of biochar during the first 5 days of incubation (P < 0.05), and the proportions of decomposed biochar carbon (C) were 2.30% and 3.28% in BC0 and BCN treatments, respectively, during 30 days of incubation. The magnitude of decomposed biochar C was significantly (P < 0.05) higher than DOC in biochar (1.75%) and part of relatively recalcitrant biochar C was mineralized in both treatments. N amendment increased soil PLFAs concentration at the beginning of incubation, indicating that microorganisms were N-limited in test soil. Furthermore, N amendment significantly (P < 0.05) increased the proportion of grampositive (G(+)) bacteria and decreased that of fungi, while no noticeable changes were observed for gram-negative (G(-)) bacteria and actinobacteria at the early stage of incubation. Our results indicated that N amendment promoted more efficiently the proliferation of G(+) bacteria and accelerated the decomposition of relatively recalcitrant biochar C, which in turn reduced the stability of maize straw-derived biochar in test soil. |
| 收录类别 | SCI |
| WOS关键词 | MICROBIAL COMMUNITY ; ORGANIC-MATTER ; LITTER DECOMPOSITION ; ENZYME-ACTIVITY ; FOREST SOILS ; BLACK CARBON ; PINE FOREST ; BIOMASS ; MINERALIZATION ; RHIZOSPHERE |
| WOS研究方向 | Science & Technology - Other Topics |
| WOS类目 | Multidisciplinary Sciences |
| 语种 | 英语 |
| 出版者 | PUBLIC LIBRARY SCIENCE |
| WOS记录号 | WOS:000358546400060 |
| 内容类型 | 期刊论文 |
| URI标识 | http://www.corc.org.cn/handle/1471x/2558356 |
| 专题 | 南京土壤研究所 |
| 通讯作者 | Ding, Weixin |
| 作者单位 | 1.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing, Jiangsu, Peoples R China 2.AgResearch, Land & Environm, Hamilton, New Zealand 3.Univ S Australia, Ctr Environm Risk Assessment & Remediat, Adelaide, SA 5001, Australia |
| 推荐引用方式 GB/T 7714 | Lu, Weiwei,Ding, Weixin,Zhang, Junhua,et al. Nitrogen Amendment Stimulated Decomposition of Maize Straw-Derived Biochar in a Sandy Loam Soil: A Short-Term Study[J]. PLOS ONE,2015,10(7):16. |
| APA | Lu, Weiwei,Ding, Weixin,Zhang, Junhua,Zhang, Huanjun,Luo, Jiafa,&Bolan, Nanthi.(2015).Nitrogen Amendment Stimulated Decomposition of Maize Straw-Derived Biochar in a Sandy Loam Soil: A Short-Term Study.PLOS ONE,10(7),16. |
| MLA | Lu, Weiwei,et al."Nitrogen Amendment Stimulated Decomposition of Maize Straw-Derived Biochar in a Sandy Loam Soil: A Short-Term Study".PLOS ONE 10.7(2015):16. |
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