Evaluating the effect of biochar on salt leaching and nutrient retention of Yellow River Delta soil | |
Xiao, Liang1,2; Meng, Fande3 | |
发表期刊 | SOIL USE AND MANAGEMENT |
ISSN | 0266-0032 |
2020-09-17 | |
页码 | 11 |
关键词 | biochar nutrient retention saturated hydraulic conductivity sodium adsorption ratio soil profile |
DOI | 10.1111/sum.12638 |
通讯作者 | Meng, Fande(mengfd@ahstu.edu.cn) |
英文摘要 | Biochar has the potential to decrease salinity and nutrient loss of saline soil. We investigated the effects of biochar amendment (0-10 g kg(-1)) on salinity of saline soil (2.8 parts per thousand salt) in NaCl leaching and nutrient retention by conducting column leaching experiments. The biochar was produced in situ fromSalix fragilisL. via a fire-water coupled process. The soil columns irrigated with 15 cm of water showed that biochar amendment (4 g kg(-1)) decreased the concentration Na(+)by 25.55% in the first irrigation and to 60.30% for the second irrigation in sandy loam layer over the corresponding control (CK). Meanwhile, the sodium adsorption ratio (SAR) of soil after the first and second irrigation was 1.62 and 0.54, respectively, which were 15.2% and 49.5% lower than CK. The marked increase in saturated hydraulic conductivity (Ks) from 0.15 x 10(-5) cm s(-1)for CK to 0.39 x 10(-5) cm s(-1), following 4 g kg(-1)of biochar addition, was conducive to salt leaching. Besides, biochar use (4 g kg(-1)) increased NH4+-N and Olsen-P by 63.63% and 62.50% over the CK, but accelerated NO3--N leaching. Since 15 cm hydrostatic pressure would result in salt accumulation of root zone, we would recommend using 4 g kg(-1)of biochar, 30 cm of water to ease the problem of salt leaching from the surface horizon to the subsoil. This study would provide a guidance to remediate the saline soil in the Yellow River Delta by judicious application of biochar and irrigation. |
资助机构 | Natural Science Foundation of Anhui Province ; Chinese National Key Research and Development Program ; Key Research and Development Program of Shandong Province |
收录类别 | SCI |
语种 | 英语 |
关键词[WOS] | SALINE SOIL ; PYROLIGNEOUS SOLUTION ; MANURE COMPOST ; CENTRAL CHINA ; COASTAL SOIL ; AMENDMENT ; AVAILABILITY ; CONJUNCTION ; RECLAMATION ; IMPROVE |
研究领域[WOS] | Agriculture |
WOS记录号 | WOS:000570129500001 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.yic.ac.cn/handle/133337/28393 |
专题 | 中国科学院烟台海岸带研究所知识产出 中国科学院烟台海岸带研究所 中国科学院海岸带环境过程与生态修复重点实验室_海岸带环境过程实验室 |
通讯作者 | Meng, Fande |
作者单位 | 1.Zhaoqing Univ, Guangdong Prov Key Lab Environm Hlth & Land Resou, Zhaoqing, Peoples R China 2.Yantai Inst Coastal Zone Res, Yantai, Peoples R China 3.Anhui Sci & Technol Univ, Coll Resource & Environm, Chuzhou 233100, Anhui, Peoples R China |
推荐引用方式 GB/T 7714 | Xiao, Liang,Meng, Fande. Evaluating the effect of biochar on salt leaching and nutrient retention of Yellow River Delta soil[J]. SOIL USE AND MANAGEMENT,2020:11. |
APA | Xiao, Liang,&Meng, Fande.(2020).Evaluating the effect of biochar on salt leaching and nutrient retention of Yellow River Delta soil.SOIL USE AND MANAGEMENT,11. |
MLA | Xiao, Liang,et al."Evaluating the effect of biochar on salt leaching and nutrient retention of Yellow River Delta soil".SOIL USE AND MANAGEMENT (2020):11. |
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