Responses of crop nitrogen partitioning, translocation and soil nitrogen residue to biochar addition in a temperate dryland agricultural soil

doi:10.1007/s11104-017-3304-z

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	Responses of crop nitrogen partitioning, translocation and soil nitrogen residue to biochar addition in a temperate dryland agricultural soil
	Shen, Yu-fang 1,3; Tang, Liang 1,3; Zhu, Li-xia 1,3; Shen, YF (reprint author), Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Peoples R China.; Xiao, Qian 2,3; Li, Shi-qing 1,3
刊名	PLANT AND SOIL
	2017
卷号	418 期号:1-2 页码:405-421
关键词	Biochar n Concentration n Uptake n Translocation n Use Efficiency Residual Soil n
ISSN号	0032-079X
DOI	10.1007/s11104-017-3304-z
文献子类	Article
英文摘要	Low nitrogen (N) use efficiency endangers world crop production and ground water. Biochar has been well documented in sequestering C in agricultural soils and improving soil quality. The objective of this study was to assess the multiyear impacts of biochar addition on crop performance, with a specific emphasis on crop N uptake, partitioning, translocation and mineral N distribution in the soil profile. A 3-year field experiment was carried out on the semiarid Loess Plateau of northern China. Maize-straw biochar was added to a spring maize monoculture cropping system at rates of 0 (BC0), 10 (BC10), 20 (BC20) and 30 (BC30) t ha(-1) and combined with NPK fertilization in April 2012. Biochar addition increased the crop N uptake, grain N concentration and grain yield with an obvious increase in the kernel numbers per ear. In 2012, the highest rate of 30 t biochar ha(-1) reduced leaf biomass and leaf N concentration at the V6 stage. Biochar addition had no effect on the pre-silking N accumulation but increased the post-silking N accumulation. Over the next two years, biochar addition increased the stem biomass and decreased the stem N concentration at the R1 and R6 stages. Biochar enhanced both the pre- and post-silking N accumulation; meanwhile, the N translocation efficiency in the biochar-added treatments was higher than in the control. The BC20 and BC30 treatments significantly improved the average NUE by 10.2% and 14.2%, respectively. Moreover, biochar addition decreased the soil NH4 (+)-N concentration in the surface 20 cm soil layer in 2012, and the BC10 and BC20 treatments increased the soil NO3 (-)-N concentrations in the 10-20 and 0-20 cm soil layers, respectively, in 2013. Biochar addition reduced the total residual soil NO3 (-)-N and the extent of NO3 (-)-N leaching across the 0-200 cm soil profile. The application of biochar is an effective method to improve grain yield, N uptake and NUE while simultaneously avoiding substantial NO3 (-)-N leaching loss.
学科主题	Agriculture ; Plant Sciences
URL标识	查看原文
出版地	DORDRECHT
语种	英语
出版者	SPRINGER
WOS记录号	WOS:000411232600030
资助机构	Natural Science Foundation of China [51279197, 41671307, 50809068]; Fundamental Research Funds for the Central Universities [YQ2013009]; Natural Science Basic Research Plan in Shaanxi Province of China [2012JM3010, 2015JQ4107] ; Natural Science Foundation of China [51279197, 41671307, 50809068]; Fundamental Research Funds for the Central Universities [YQ2013009]; Natural Science Basic Research Plan in Shaanxi Province of China [2012JM3010, 2015JQ4107] ; Natural Science Foundation of China [51279197, 41671307, 50809068]; Fundamental Research Funds for the Central Universities [YQ2013009]; Natural Science Basic Research Plan in Shaanxi Province of China [2012JM3010, 2015JQ4107] ; Natural Science Foundation of China [51279197, 41671307, 50809068]; Fundamental Research Funds for the Central Universities [YQ2013009]; Natural Science Basic Research Plan in Shaanxi Province of China [2012JM3010, 2015JQ4107]
内容类型	期刊论文
源URL	[http://ir.iswc.ac.cn/handle/361005/7929]
专题	水保所科研产出--SCI_2017--SCI
通讯作者	Shen, YF (reprint author), Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Peoples R China.
作者单位	1.Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Peoples R China 2.Northwest A&F Univ, Coll Forestry, Yangling 712100, Peoples R China 3.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China
推荐引用方式 GB/T 7714	Shen, Yu-fang,Tang, Liang,Zhu, Li-xia,et al. Responses of crop nitrogen partitioning, translocation and soil nitrogen residue to biochar addition in a temperate dryland agricultural soil[J]. PLANT AND SOIL,2017,418(1-2):405-421.
APA	Shen, Yu-fang,Tang, Liang,Zhu, Li-xia,Shen, YF ,Xiao, Qian,&Li, Shi-qing.(2017).Responses of crop nitrogen partitioning, translocation and soil nitrogen residue to biochar addition in a temperate dryland agricultural soil.PLANT AND SOIL,418(1-2),405-421.
MLA	Shen, Yu-fang,et al."Responses of crop nitrogen partitioning, translocation and soil nitrogen residue to biochar addition in a temperate dryland agricultural soil".PLANT AND SOIL 418.1-2(2017):405-421.