Biochar and Nitrification Inhibitor (Dicyandiamide) Combination Had a Double-Win Effect on Saline-Alkali Soil Improvement and Soybean Production in the Yellow River Delta, China

doi:10.3390/agronomy12123154

CORC > 烟台海岸带研究所 > 中国科学院烟台海岸带研究所 > 中科院海岸带环境过程与生态修复重点实验室

	Biochar and Nitrification Inhibitor (Dicyandiamide) Combination Had a Double-Win Effect on Saline-Alkali Soil Improvement and Soybean Production in the Yellow River Delta, China
	Yu, Chunxiao 2,3; Wang, Guangmei 2,3; Zhang, Haibo 2,3; Chen, Hongpeng 1,3; Ma, Qian 2,3
刊名	AGRONOMY-BASEL
	2022-12-01
卷号	12 期号:12 页码:15
关键词	biochar amendment nitrification inhibitor saline-alkaline soil soybean cultivation bacteria abundance the Yellow River Delta
DOI	10.3390/agronomy12123154
通讯作者	Wang, Guangmei(gmwang@yic.ac.cn)
英文摘要	Salt stress and nutrient deficiency strongly limited the productivity of coastal saline-alkali land in the Yellow River Delta. Biochar has been widely used to improve soil health and promote crop yield, and the positive effects of nitrification inhibitors on fertilizer use efficiency, especially nitrogen, were also verified. However, there were few types of research on the combined application of biochar and nitrification inhibitor dicyandiamide (DCD) on saline-alkali soil of the Yellow River Delta, China. In this study, five treatments, including no nitrogen (CK), normal NPK (N), NPK + 1%biochar (B), NPK + 2%DCD (D), and NPK + 1%biochar + 2%DCD (BD) were set to investigate the single and combined effect of biochar and DCD on nitrogen transform, soil properties, bacterial community structure, and soybean production. Results showed that BD application inhibited nitrification and increased the soil's nitrate supply at the flowering stage, which reduced nitrogen waste and met the nitrogen demand for soybean growth. Biochar addition increased the soil's pH and decreased the soil's electrical conductivities and accelerated the soil's macroaggregates formation, with the soil's average mass diameter and geometric average diameter increasing by 78.69% and 30% in B, and 71.29% and 29.34% in BD relative to CK. Positive effects of inhibitors on soybean production were found in increasing soybean yield, hundred-grain weight, aboveground biomass, etc. Proteobacteria was the dominant phylum in the bacterial communities detected, and bacterial community diversity was significantly explained by nitrate content and soil aggregates (p < 0.05). Soil pH and DCD addition mainly influenced the abundance of the bacterial community, especially Actinobacteria. Biochar with DCD could be a feasible fertilization scheme for the coastal saline-alkali land in the Yellow River Delta, China.
WOS关键词	CARBON MINERALIZATION ; NITROGEN ; VOLATILIZATION ; MICROORGANISMS
WOS研究方向	Agriculture ; Plant Sciences
语种	英语
WOS记录号	WOS:000902078300001
资助机构	National Key Research & Development Program of China ; Key Research & Development Program of Shandong Province
内容类型	期刊论文
源URL	[http://ir.yic.ac.cn/handle/133337/32432]
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
通讯作者	Wang, Guangmei
作者单位	1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 2.Shandong Key Lab Coastal Environm Proc, Yantai 264003, Peoples R China 3.Chinese Acad Sci, Yantai Inst Coastal Zone Res, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China
推荐引用方式 GB/T 7714	Yu, Chunxiao,Wang, Guangmei,Zhang, Haibo,et al. Biochar and Nitrification Inhibitor (Dicyandiamide) Combination Had a Double-Win Effect on Saline-Alkali Soil Improvement and Soybean Production in the Yellow River Delta, China[J]. AGRONOMY-BASEL,2022,12(12):15.
APA	Yu, Chunxiao,Wang, Guangmei,Zhang, Haibo,Chen, Hongpeng,&Ma, Qian.(2022).Biochar and Nitrification Inhibitor (Dicyandiamide) Combination Had a Double-Win Effect on Saline-Alkali Soil Improvement and Soybean Production in the Yellow River Delta, China.AGRONOMY-BASEL,12(12),15.
MLA	Yu, Chunxiao,et al."Biochar and Nitrification Inhibitor (Dicyandiamide) Combination Had a Double-Win Effect on Saline-Alkali Soil Improvement and Soybean Production in the Yellow River Delta, China".AGRONOMY-BASEL 12.12(2022):15.