Which of soil microbes is in positive correlation to yields of maize (Zea mays L.)?
Zhongyou Ma, Yue Xie, Lin Zhu, Liang Cheng, Xin Xiao, Cheng Zhou, Jianfei Wanghttps://doi.org/10.17221/590/2017-PSECitation:Ma Z., Xie Y., Zhu L., Cheng L., Xiao X., Zhou C., Wang J. (2017): Which of soil microbes is in positive correlation to yields of maize (Zea mays L.)? Plant Soil Environ., 63: 574-580.
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 fertilizerReferences:
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