Biochar and fulvic acid to activate soil fertility for achieving agro-ecology benefits in a newly reclaimed coastal wetland of China
Sun, YP; Yang, JS; Yao, RJ; Chen, XB
发表期刊EMIRATES JOURNAL OF FOOD AND AGRICULTURE
ISSN2079-052X
2019-06
卷号31期号:6页码:459-469
关键词Coastal wetland Sodium Nitrogen Barley Precipitation
研究领域Agronomy ; Food Science & Technology
DOI10.9755/ejfa.2019.v31.i6.1967
产权排序[Sun, Yunpeng; Yang, Jinsong; Yao, Rongjiang] Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Jiangsu, Peoples R China; [Sun, Yunpeng] Univ Chinese Acad, Beijing, Peoples R China; [Chen, Xiaobing] Chinese Acad Sci, Yantai Coastal Zone Res Inst, Coastal Zone Environm Proc Key Lab, Yantai 264003, Peoples R China
作者部门中国科学院海岸带环境过程重点实验室
英文摘要Reclamation of coastal tidal flat lands for obtaining more lands has lasting for many years in China. More attention should be paid on soil and water pollution for protecting coastal ecosystem during the period of saline soil amelioration. A field experiment was conducted for two years in eastern China to investigate the effects of different rates of biochar (BC) (at 0, 7.5, and 30 t ha(-1)) and/or fulvic acid (FA) (at 0, 0.075 t ha-1) with/without nitrogen (N) fertilizer on the soil physical, chemical, and nutritional properties, as well as crop yield, with a maize-barley rotation. Results showed that N application caused soil compaction, and BC+FA treatments decreased soil bulk density (ranging from 1.22 to 1.28 g cm(3)) and improved water retention under the condition. Extreme precipitation accelerated soil de-salinization during the crop cultivation (soil EC decreased to the low value ranging from 127 to 141 mu S cm(-1), after maize harveseted). N addition improved grain yield of maize (increased by 105% under BC30+FA+N, compared with the CK treatment), but there was no significant difference between the N and no-N added treatments. However, the grain yield and straw weight of barley in with-N treatments were twice as much as those of the no-N treatments. The soil nutrion contents (total nitrogen and phosphorus content) after maize and barley crops were higher, under no-N treatments compared to the with-N treatments. A lower pH (8,78) and higher Ca2+ + Mg2+ content (0.24 similar to 0.26 g kg(-1)) existed in BC30 + FA treated plots after maize and barley crops. Replacement of nitrogen fertilizer by BC and FA in the coastal saline soil was feasible in a short time. Therefore, nitrogen fertilizer usage should be regulated for protecting the coastal ecology system, and also achieving agricultural benefits.
文章类型Article
资助机构National Key Research and Development Program of China [2016YFD0200303, 2016YFC0501309] ; National Sci-Tech Support Plan [2015BAD01B03] ; Key R&D Project (Modern Agriculture) of Jiangsu Province [BE2015337]
收录类别SCI
语种英语
关键词[WOS]SALINE-SODIC SOIL ; ORGANIC-MATTER ; SOYBEAN YIELD ; SALT STRESS ; YELLOW SEA ; WATER ; IMPROVE ; RECLAMATION ; NITROGEN ; GROWTH
研究领域[WOS]Agronomy ; Food Science & Technology
WOS记录号WOS:000486579500007
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/24923
专题中国科学院海岸带环境过程与生态修复重点实验室
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
作者单位1.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Jiangsu, Peoples R China;
2.Univ Chinese Acad, Beijing, Peoples R China;
3.Chinese Acad Sci, Yantai Coastal Zone Res Inst, Coastal Zone Environm Proc Key Lab, Yantai 264003, Peoples R China
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Sun, YP,Yang, JS,Yao, RJ,et al. Biochar and fulvic acid to activate soil fertility for achieving agro-ecology benefits in a newly reclaimed coastal wetland of China[J]. EMIRATES JOURNAL OF FOOD AND AGRICULTURE,2019,31(6):459-469.
APA Sun, YP,Yang, JS,Yao, RJ,&Chen, XB.(2019).Biochar and fulvic acid to activate soil fertility for achieving agro-ecology benefits in a newly reclaimed coastal wetland of China.EMIRATES JOURNAL OF FOOD AND AGRICULTURE,31(6),459-469.
MLA Sun, YP,et al."Biochar and fulvic acid to activate soil fertility for achieving agro-ecology benefits in a newly reclaimed coastal wetland of China".EMIRATES JOURNAL OF FOOD AND AGRICULTURE 31.6(2019):459-469.
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