Plant Soil Environ., 2017, 63(12):574-580 | DOI: 10.17221/590/2017-PSE

Which of soil microbes is in positive correlation to yields of maize (Zea mays L.)?Original Paper

Zhongyou MA1, Yue XIE1,2, Lin ZHU3, Liang CHENG1, Xin XIAO1, Cheng ZHOU*,1,4, Jianfei WANG*,1
1 Key Laboratory of Bio-organic Fertilizer Creation, Ministry of Agriculture, Anhui Science and Technology University, Bengbu, P.R. China
2 Department of Plant Pathology, North Carolina State University, Raleigh, USA
3 School of Life Science and Technology, Tongji University, Shanghai, P.R. China
4 Key Laboratory of Plant Nutrition and Fertilization in Low-Middle Reaches of the Yangtze River, Ministry of Agriculture, Nanjing Agricultural University, Nanjing, P.R. China

Soil microorganisms are critical to maintain soil function, enhance plant health and increase crop yields. This study investigated the effects of organic matter on soil microbial community and assessed which of soil microbes were in positive correlation to maize yields. The results showed that different fertilizer treatments shaped specific microbial communities in the same soils. The most abundant beneficial soil microbes were found in treatments with organic fertilizer produced from cattle manure, return of wheat straw and 70% NPK admixture fertilizers treatment. The correlation analysis revealed that maize yields were in no correlation both to the shifts of soil microbial community structure and to the number of sequences or operational taxonomic units (OTUs) in soil microbes. However, maize yields were in positive correlation to microbial community structure shifts at the species level. 35 bacteria OTUs from 19 orders in 14 classes in 9 phyla were in positive correlation to yields of maize, while in fungi only one OTU25 belonging to Sordariales was in positive correlation. Our results indicate that the long-term application of organic and inorganic amendments could enrich the soil bacterial and fungal community and promote its diversity.

Keywords: soil microbiome; plant-growth-promoting rhizobacteria; corn field; mineral fertilizer

Published: December 31, 2017  Show citation

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Zhongyou M, XIE Y, ZHU L, CHENG L, XIAO X, ZHOU C, WANG J. Which of soil microbes is in positive correlation to yields of maize (Zea mays L.)? Plant Soil Environ. 2017;63(12):574-580. doi: 10.17221/590/2017-PSE.
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