Gross N transformations and plant N use efficiency in intensive vegetable production soils

被引：14

作者：

Dan, Xiaoqian ^{[1
]}

Meng, Lei ^{[2
]}

He, Mengqiu ^{[1
]}

Chen, Shending ^{[1
]}

He, Xiaoxiang ^{[1
]}

Zhao, Chang ^{[1
]}

Li, Xun ^{[3
]}

Cai, Zucong ^{[1
]}

Zhang, Jinbo ^{[1
,2
,4
,5
]}

Mueller, Christoph ^{[6
,7
]}

机构：

[1] Nanjing Normal Univ, Sch Geog, Nanjing 210023, Peoples R China

[2] Hainan Univ, Coll Trop Crops, Haikou 570228, Peoples R China

[3] Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Peoples R China

[4] Jiangsu Ctr Collaborat Innovat, Geog Informat Resource Dev & Applicat, Nanjing 210023, Peoples R China

[5] Jiangsu Engn Res Ctr, Soil Utilizat & Sustainable Agr, Nanjing 210023, Peoples R China

[6] Justus Liebig Univ Giessen, Inst Plant Ecol, Heinrich-Buff-Ring 26, D-35392 Giessen, Germany

[7] Univ Coll Dublin, Sch Biol & Environm Sci & Earth Inst, Dublin, Ireland

来源：

SOIL BIOLOGY & BIOCHEMISTRY | 2022年 / 174卷

基金：

中国国家自然科学基金;

关键词：

SoilNO3-availability; N use efficiency; Plant N uptake; Gross N transformation rates; Greenhouse soil; 15N tracing; BIOLOGICAL NITRIFICATION INHIBITION; NITROGEN TRANSFORMATIONS; ENVIRONMENTAL-QUALITY; ROOT EXUDATION; MICROORGANISMS; GROWTH; FOREST; FERTILIZATION; COMPETITION; ABSORPTION;

D O I：

10.1016/j.soilbio.2022.108817

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

Long-term application of high doses of N fertilizer to achieve high yields has led to a significant accumulation of soil N (largely in the form of NO3-) in greenhouse vegetable production (GVP). At present, it is not clear how efficiently vegetables can use the NO3- accumulated in soil and from which source the N taken up by vegetables in GVP originates. In this study, three greenhouse soils with various degrees of soil NO3- accumulation (N1

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页数：10

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