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Effects of Biochar Application on Soil Organic Carbon Mineralization during Drying and Rewetting Cycles

文献类型：期刊论文

作者Xu, G; Song, JW; Zhang, Y; Lv, YC
刊名BIORESOURCES
出版日期2019-11
卷号14期号:4页码:9957-9967
关键词Biochar Drying-rewetting cycles Organic carbon mineralization Saline soil
ISSN号1930-2126
DOI10.15376/biores.14.4.9957-9967
产权排序[Xu, Gang ; Lv, Yingchun] Qufu Normal Univ, Coll Geog & Tourism, Rizhao 276826, Peoples R China ; [Xu, Gang ; Song, Jiawei ; Zhang, Yang ; Lv, Yingchun] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China ; [Song, Jiawei ; Zhang, Yang] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
文献子类Article
英文摘要Intense droughts and extreme precipitation events are likely to occur more frequently with global climate change. These drying-rewetting (DVV) cycles affect the soil carbon (C) cycle. Biochar addition are reported to affect SOC mineralization and soil organic carbon (SOC) storage. However, the effects of biochar application on SOC mineralization during DW cycles are poorly understood. Two wheat straw (WS25) biochar produced at 300 degrees C (WS300) and 600 degrees C (WS600) were used to explore the effects of biochar on SOC mineralization under artificial DW cycles as compared to constant moisture (CM). It was found that biochar had different effects on SOC mineralization depending on biochar type or drying/rewetting period of DW cycles. Just like CK and WS25, WS600 application decreased SOC mineralization under DW cycles compared to CM. To some extent, SOC mineralization during DW cycles was similar to CM for WS300. The results suggested that WS300 addition diminished the reducing effect of DW cycle on SOC mineralization. In addition, biochar exhibited different effects on SOC mineralization depending on the drying and rewetting period under DW cycles. Biochar (WS300) addition during the drying period had less effect on SOC mineralization but increased the flush effect of SOC mineralization during the rewetting period. In conclusions, biochar application significantly affect SOC mineralization following DW cycles.
WOS关键词MICROBIAL ACTIVITY
WOS研究方向Materials Science, Paper & Wood
语种英语
WOS记录号WOS:000493997400169
资助机构National Natural Science Foundation of ChinaNational Natural Science Foundation of China [41573120, U1806215] ; Chinese Academy of SciencesChinese Academy of Sciences [KFZD-SW-112] ; Science and Technology Service Network Initiative [KFJ-STS-ZDTP-023]
源URL[http://ir.yic.ac.cn/handle/133337/24824]  
专题烟台海岸带研究所_中科院海岸带环境过程与生态修复重点实验室
烟台海岸带研究所_近岸生态与环境实验室
作者单位1.Qufu Normal Univ, Coll Geog & Tourism, Rizhao 276826, Peoples R China;
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China;
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Xu, G,Song, JW,Zhang, Y,et al. Effects of Biochar Application on Soil Organic Carbon Mineralization during Drying and Rewetting Cycles[J]. BIORESOURCES,2019,14(4):9957-9967.
APA Xu, G,Song, JW,Zhang, Y,&Lv, YC.(2019).Effects of Biochar Application on Soil Organic Carbon Mineralization during Drying and Rewetting Cycles.BIORESOURCES,14(4),9957-9967.
MLA Xu, G,et al."Effects of Biochar Application on Soil Organic Carbon Mineralization during Drying and Rewetting Cycles".BIORESOURCES 14.4(2019):9957-9967.

入库方式： OAI收割

来源：烟台海岸带研究所

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