Impacts of 22-year organic and inorganic N managements on soil organic C fractions in a maize field, northeast China

doi:10.1016/j.catena.2011.07.006

	Impacts of 22-year organic and inorganic N managements on soil organic C fractions in a maize field, northeast China
	Lou, Yilai 1,2; Wang, Jingkuan 3; Liang, Wenju 2
刊名	CATENA
	2011-12-01
卷号	87 期号:3 页码:386-390
关键词	Carbon Fraction Chemical Fertilizer c Management Index Long-term Experiment Organic Manure Soil Organic Carbon
ISSN号	0341-8162
DOI	10.1016/j.catena.2011.07.006
英文摘要	Impacts of 22-year organic and inorganic N managements on total organic carbon (TOC), water-soluble organic C (WSOC), microbial biomass C (MBC), particulate organic C (POC) and KMnO(4) oxidized organic C (KMnO(4)-C) concentrations, C management index (CMI), and C storage in surface soil (0-20 cm) were investigated in a maize (Zea may L.) field experiment, Northeast China. The treatments included, CK: unfertilized control, M: organic manure (135 kg N ha(-1) year(-1)), N: inorganic N fertilizer (135 kg N ha(-1) year(-1)) and MN: combination of organic manure (67.5 kg N ha(-1) year(-1)) and inorganic N fertilizer (67.5 kg N ha(-1) year(-1)), TOC concentration and C storage were significantly increased under the M and MN treatments, but not under the inorganic N treatment. The organic treatments of M and MN were more effective in increasing WSOC. MBC, POC and KMnO(4)-C concentrations and CMI than the N treatment. The M treatment was most effective for sequestrating SOC (10.6 Mg ha(-1)) and showed similar increase in degree of grain yield to the N and MN treatments, therefore it could be the best option for improving soil productivity and C storage in the maize cropping system. (C) 2011 Elsevier B.V. All rights reserved.
WOS研究方向	Geology ; Agriculture ; Water Resources
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000295769100011
内容类型	期刊论文
源URL	[http://210.72.129.5/handle/321005/121971]
专题	中国科学院沈阳应用生态研究所
通讯作者	Liang, Wenju
作者单位	1.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Key Lab Crop Nutr & Fertilizat, Minist Agr, Beijing 100081, Peoples R China 2.Chinese Acad Sci, Inst Appl Ecol, State Key Lab Forest & Soil Ecol, Shenyang 110164, Peoples R China 3.Shenyang Agr Univ, Coll Land & Environm, Shenyang 110161, Peoples R China
推荐引用方式 GB/T 7714	Lou, Yilai,Wang, Jingkuan,Liang, Wenju. Impacts of 22-year organic and inorganic N managements on soil organic C fractions in a maize field, northeast China[J]. CATENA,2011,87(3):386-390.
APA	Lou, Yilai,Wang, Jingkuan,&Liang, Wenju.(2011).Impacts of 22-year organic and inorganic N managements on soil organic C fractions in a maize field, northeast China.CATENA,87(3),386-390.
MLA	Lou, Yilai,et al."Impacts of 22-year organic and inorganic N managements on soil organic C fractions in a maize field, northeast China".CATENA 87.3(2011):386-390.