Chemical fertilizer reduction with organic fertilizer effectively improve soil fertility and microbial community from newly cultivated land in the Loess Plateau of China

doi:10.1016/j.apsoil.2021.103966

	Chemical fertilizer reduction with organic fertilizer effectively improve soil fertility and microbial community from newly cultivated land in the Loess Plateau of China
	Han, Jianqiao 1,2; Dong, Yunyun 1,2; Zhang, Man 1,2
刊名	APPLIED SOIL ECOLOGY
	2021-09-01
卷号	165 页码:11
关键词	Organic fertilizer Soil fertility Microbial community Newly cultivated soil Loess Plateau
ISSN号	0929-1393
DOI	10.1016/j.apsoil.2021.103966
通讯作者	Zhang, Man(zmcocoo0203@nwsuaf.edu.cn)
英文摘要	Improving the soil quality of cultivated land generated by the Gully Land Consolidation Project could promote sustainable economic and ecological development in the hilly gully area of the Loess Plateau, China. A pot experiment with maize crop was conducted to assess the effects of different organic amendments and chemical fertilizer reduction on soil fertility and the microbial community in newly cultivated land, of which the amount of chemical fertilizer applied was half of the local conventional maize field (90 kg ha-1 of CO(NH2)2, 45 kg ha-1 of P2O5, and 60 kg ha-1 of K2O). The experiment involved six treatments: bare soil (CK), only maize (M), maize + chemical fertilizer (MF), maize + chemical fertilizer + organic fertilizer (MFO), maize + chemical fertilizer + biochar (MFB), and maize + chemical fertilizer + polyacrylamide (MFP). The results are as follows: (1) compared with the MF treatment, the MFO treatment exhibited the best effect on improving soil physicochemical properties, such as electrical conductivity (EC), soil organic carbon (SOC), nitrate nitrogen (NO3- -N), total nitrogen (TN), available phosphorus (AP) and available potassium (AK), followed by MFB and MFP. (2) The MFO treatment significantly (P < 0.05) improved the Species richness and Shannon indices of the bacteria, but its effects on fungal diversity index are not significant. (3) The MFO treatment increased the relative abundance of Betaproteobacteria, Alphaproteobacteria, Gammaproteobacteria and Gemmatimonadetes and decreased the relative abundance of Sordariomycetes and Agaricomycetes, and it also increased the functional abundance of Amino acid metabolism, Membrane transport, Xenobiotics biodegradation and metabolism, Undefined Saprotrophs and Arbuscular Mycorrhizal Fungi. (4) The TN and EC were the main driving factors of bacterial community structural variation, while TN and NO3- -N were the main factors for variation of fungal community structure. (5) The fresh weight and dry weight of maize increased significantly (P < 0.05) under all amendment treatments, among which the MFO treatment had the greatest effect. In conclusion, organic fertilizer application is the most effective measure for rapidly improving soil fertility and microbial community structure. Our findings have valuable implications for agricultural land productivity, food security and long-term sustainability of the environment.
资助项目	National Key Research and Development Program of China[2017YFC0504703] ; National Natural Science Foundation of China[41807067] ; National Natural Science Foundation of China[41771558] ; National Natural Science Foundation of China[41601321] ; Youth Talent Lift Project of China Association for Science and Technology[20192021QNRC001] ; Water and Soil Conservancy Science Plan in Shaanxi Province ofChina[2017sbkj-01]
WOS关键词	AMMONIA-OXIDIZING ARCHAEA ; LONG-TERM FERTILIZATION ; MANURE APPLICATION ; RED SOIL ; PHYSIOCHEMICAL PROPERTIES ; INORGANIC FERTILIZERS ; BACTERIAL COMMUNITIES ; FUNGAL COMMUNITIES ; METHANE PRODUCTION ; BLACK SOIL
WOS研究方向	Agriculture
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000657603200015
资助机构	National Key Research and Development Program of China ; National Natural Science Foundation of China ; Youth Talent Lift Project of China Association for Science and Technology ; Water and Soil Conservancy Science Plan in Shaanxi Province ofChina
内容类型	期刊论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/164039]
专题	中国科学院地理科学与资源研究所
通讯作者	Zhang, Man
作者单位	1.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Shanxi, Peoples R China 2.Northwest A&F Univ, Inst Soil & Water Conservat, 26 Xinong Rd, Yangling 712100, Shanxi, Peoples R China
推荐引用方式 GB/T 7714	Han, Jianqiao,Dong, Yunyun,Zhang, Man. Chemical fertilizer reduction with organic fertilizer effectively improve soil fertility and microbial community from newly cultivated land in the Loess Plateau of China[J]. APPLIED SOIL ECOLOGY,2021,165:11.
APA	Han, Jianqiao,Dong, Yunyun,&Zhang, Man.(2021).Chemical fertilizer reduction with organic fertilizer effectively improve soil fertility and microbial community from newly cultivated land in the Loess Plateau of China.APPLIED SOIL ECOLOGY,165,11.
MLA	Han, Jianqiao,et al."Chemical fertilizer reduction with organic fertilizer effectively improve soil fertility and microbial community from newly cultivated land in the Loess Plateau of China".APPLIED SOIL ECOLOGY 165(2021):11.