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	Arbuscular mycorrhizal fungus enhances crop yield and P-uptake of maize (Zea mays L.): A field case study on a sandy loam soil as affected by long-term P-deficiency fertilization
	Hu, Junli; Lin, Xiangui1; Wang, Junhua; Dai, Jue; Cui, Xiangchao; Chen, Ruirui; Zhang, Jiabao
刊名	SOIL BIOLOGY & BIOCHEMISTRY
	2009-12-01
卷号	41期号:12页码:2460-2465
关键词	AMF inoculation responsiveness Glomus caledonium Mineral fertilizer organic amendment P efficiency Soil alkaline phosphatase Soil microbial biomass P
ISSN号	0038-0717
DOI	10.1016/j.soilbio.2009.09.002
通讯作者	Lin, Xiangui(xglin@issas.ac.cn)
英文摘要	The P efficiency, crop yield, and response of maize to arbuscular mycorrhizal fungus (AMF) Glomus caledonium were tested in an experimental field with long-term (18-year) fertilizer management. The experiment included five fertilizer treatments: organic amendment (OA), half organic amendment plus half mineral fertilizer (1/2 OM), mineral fertilizer NPK, mineral fertilizer NK, and the control (without fertilization). AMF inoculation responsiveness (MIRs) of plant growth and P-uptake of maize were estimated by comparing plants grown in unsterilized soil inoculated with G. caledonium and in untreated soil containing indigenous AMF. Soil total P, available P, microbial biomass P, alkaline phosphatase activity, plant biomass, crop yield and total P-uptake of maize were all significantly increased (P < 0.05) by the application of OA,1/2 OM, and NPK, but not by the application of NK. Specifically, the individual crop yield of maize approached zero in the NK-fertilized soils, as well as in the control soils. All maize plants were colonized by indigenous AMF, and the root colonization at harvest time was not significantly influenced by fertilization. G. caledonium inoculation increased mycorrhizal colonization significantly (P < 0.05) only with the NK treatment, and produced low but demiurgic crop yield in the control and NK-fertilized soils. Compared to the inoculation in balanced-fertilized soils, G. caledonium inoculation in either the NK-fertilized soils or the control soils had significantly greater (P < 0.05) impacts on soil alkaline phosphatase activity, stem length, plant biomass, and total P-uptake of maize, indicating that AMF inoculation was likely more efficient in extremely P-limited soils. These results also showed that balanced mineral fertilizers and organic amendments did not differ significantly in their effects on MIRs in these soils. (C) 2009 Elsevier Ltd. All rights reserved.
收录类别	SCI
WOS关键词	MICROBIAL COMMUNITY COMPOSITION ; NITROGEN-FERTILIZER ; CALCAREOUS SOIL ; ORGANIC-MATTER ; PHOSPHORUS ; WHEAT ; MANURE ; CHINA ; COLONIZATION ; CALIFORNIA
WOS研究方向	Agriculture
WOS类目	Soil Science
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000272062100011
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2558757
专题	南京土壤研究所
通讯作者	Lin, Xiangui
作者单位	1.Hongkong Baptist Univ, Joint Open Lab Soil & Environm, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Peoples R China 2.Chinese Acad Sci, Inst Soil Sci, Nanjing 210008, Peoples R China
推荐引用方式 GB/T 7714	Hu, Junli,Lin, Xiangui,Wang, Junhua,et al. Arbuscular mycorrhizal fungus enhances crop yield and P-uptake of maize (Zea mays L.): A field case study on a sandy loam soil as affected by long-term P-deficiency fertilization[J]. SOIL BIOLOGY & BIOCHEMISTRY,2009,41(12):2460-2465.
APA	Hu, Junli.,Lin, Xiangui.,Wang, Junhua.,Dai, Jue.,Cui, Xiangchao.,...&Zhang, Jiabao.(2009).Arbuscular mycorrhizal fungus enhances crop yield and P-uptake of maize (Zea mays L.): A field case study on a sandy loam soil as affected by long-term P-deficiency fertilization.SOIL BIOLOGY & BIOCHEMISTRY,41(12),2460-2465.
MLA	Hu, Junli,et al."Arbuscular mycorrhizal fungus enhances crop yield and P-uptake of maize (Zea mays L.): A field case study on a sandy loam soil as affected by long-term P-deficiency fertilization".SOIL BIOLOGY & BIOCHEMISTRY 41.12(2009):2460-2465.

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